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please helpWhich expression is equivalent to 8a + 20? 4(2a + 20) 4(2a + 5) 4(4a + 16) 4(4a + 5)​

Please help me, I don't know

The amount of blood in a person's body, a quarts, is directly proportional to his or her body weight, w pounds. A person who weighs 128 pounds has about 4 quarts of blood. a) Find the constant of proportionality. b) Write an equation that relates the amount of blood in a person's body to his or her body weight. c) Find the weight of a person whose body has about 5 quarts of blood.

a runner taking part in the 200. m dash must run around the end of a track that has a circular arc with a radius of curvature of 31.5 m. if he completes the 200. m dash in 25.2 s and runs at constant speed throughout the race, what is the magnitude of his centripetal acceleration (in m/s2) as he runs the curved portion of the track?

PLEASE HELP ASAP! What is the rate of change (slope) and the initial value (y-axis) for this table?

How can chemical exposure effect the human fetus?

the formation of endodermal and ectodermal germ layers occurs at .

A molecule is found to have an empirical formula of ch2o and a molar mass of 180.18 g/mol. what is the molecular formula?a)C6H12O6b)H2O6c)C2H12O6d)C6H12

the person who led the union movement among chicano farm workers during the 1960s was group of answer choices joseph montoya. henry cisneros cesar chavez henry b. gonzales.

b. Scott wants to tip his taxicab driver 20%. If his commute costs $15, what is the total cost?

Show how the recursive multiplication algorithm computes XY, where X = 1234 and Y = 4321. Include all recursive computations.

The basic building block of all forms of life

A turtle walks 7/8 of a mile in 50 minutes. What is the unit rate when the turtle’s speed is expressed in miles per hour? a. To find the turtle’s unit rate, Meredith wrote the following complex fraction. Explain how the fraction 5/6 was obtained. b. Determine the unit rate when the turtle’s speed is expressed in miles per hour.

Complete the truth table for the statement ~Q ^ P.

Janelle puts $1,000.00 into an account to use for school expenses. The account earns 14% interest, compounded annually. How much will be in the account after 10 years?

Which term would also correctly describe a scavenger? A. Decomposer B. Carnivore

what civilization is considered the mother culture of pre-hispanic Mexico

Based on the family the graph below belongs to, which equation could represent the graph

PLEASE HURRY WILL GIBE BRAINILEST:D Read this excerpt from Through the Looking-Glass by Lewis Carroll. “That's right,” said the Queen, patting her on the head, which Alice didn't like at all, “though, when you say ‘garden,’—I'VE seen gardens, compared with which this would be a wilderness.” Alice didn't dare to argue the point, but went on: “—and I thought I'd try and find my way to the top of that hill—” “When you say ‘hill,’” the Queen interrupted, “I could show you hills, in comparison with which you'd call that a valley.” “No, I shouldn't,” said Alice, surprised into contradicting her at last: “a hill CAN'T be a valley, you know. That would be nonsense—” The Red Queen shook her head, “You may call it ‘nonsense’ if you like,” she said, “but I'VE heard nonsense, compared with which that would be as sensible as a dictionary!” What do the Red Queen’s comparisons reveal about her? 1. She thinks that everything she owns or has experienced is better. 2. She does not know what gardens, hills, or nonsense really are. 3. She is a very gracious host to Alice and all other visitors. 4. She wishes her kingdom were better than it actually is.

Consider the reaction in a commercial heat pack: 4 Fe (s) + 3 O2(g) ® 2 Fe2O3 (s) DH = -1652 kJ a) How much heat is released when 1.00 g iron is reacted with excess O2? b) What mass of O2 must react with iron in order to generate 2150 kJ of heat?

someone help me pls Find The Mean, Median, and mode range of 13, 25, 7, 28, 42, 7, 15, 23, 1, 17. ​

Bulluck Corporation makes a product with the following standard costs: Standard Quantity or Hours Standard Price or Rate Direct materials 4.90 grams $ 2.40 per gram Direct labor 0.90 hours $ 25.00 per hour Variable overhead 0.90 hours $ 3.40 per hour The company reported the following results concerning this product in July. Actual output 4,400 units Raw materials used in production 12,770 grams Actual direct labor-hours 3,800 hours Purchases of raw materials 13,500 grams Actual price of raw materials purchased $ 2.60 per gram Actual direct labor rate $ 12.80 per hour Actual variable overhead rate $ 3.50 per hour The company applies variable overhead on the basis of direct labor-hours. The direct materials purchases variance is computed when the materials are purchased. The variable overhead efficiency variance for July is: Multiple Choice $560 U $544 U $560 F $544 F

What is the rate of change in y with respect to x in the function x + 5y = 10?

Complete the table for the given rule​

Given f(x)=x^3-2x^2+9x-18 find all the possible rational zeros