Solve for the unknown variable.C = 2?r; C = 25.12, ? = 3.14

A. r = 4
B. r = 28.26
C. r = 157.75
D. r = 8

Answer: A

Mathematics

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A. -2.4x-3.4  + ?x-3/2 
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C. -2.4x-3.4  - x-3/2 
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A. V(s) = s3h
B. V(s) = s2
C. V(s) = s3h
D. V(s) = s3

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Provide an appropriate response.The demand function for a manufacturer's product is p = f(q) = 600 - 2q, where p is the price (in dollars) per unit when q units are demanded (per week). Find the level of production that maximizes the manufacturer's total revenue and determine this revenue.

Fill in the blank(s) with the appropriate word(s).

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