What percent is 34 of 40?

A. 66%
B. 85%
C. 117.65%
D. None of these


Answer: B

Mathematics

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Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 7

A.  = -  = - 
B.  =   = 
C.  = -  = - 
D.  = -  = - 

Mathematics

Solve the problem involving related quantities.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $270,000, find each worker's salary.

A. president's salary = $135,000; department head's salary = $67,500 B. president's salary = $67,500; department head's salary = $202,500 C. president's salary = $20,250; department head's salary = $6750 D. president's salary = $202,500; department head's salary = $67,500

Mathematics

Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. (a + 1)(a - 6)(a - 7) > 0

A. (-16) ? (7, ?)

B. (7, ?)

C. (-?, 6)

D. (-?, -1) ? (6, 7)

Mathematics

Given , find f (1, 2)

What will be an ideal response?

Mathematics