Find the quantity indicated.Suppose that y is directly proportional to x. When x = 24, then  Find y when 

A. 10
B. 8
C. 7
D. 112


Answer: C

Mathematics

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Use properties to perform the calculations. Express answer in simplest form. +  + 

A.  
B.  
C.
D.

Mathematics

Rewrite the fraction with the indicated denominator. = 

A.
B.
C.
D.

Mathematics

Solve.A ball is dropped from a height of 4 m. On each upward bounce the ball returns to  of its previous height. Find the total distance the ball travels in an upward direction before coming to rest.

A. 28 m B. 12 m C. 3 m D. 15 m

Mathematics

Use the product rule to find the derivative. f(x) = (5x + 4)2

A. f'(x) = 25x + 20 B. f'(x) = 10x + 8 C. f'(x) = 50x + 40 D. f'(x) = 25x + 16

Mathematics