Evaluate the expression using the given values.-4xy + 5y - 9x = 5, y = -2

A. -59
B. 39
C. 30
D. 21


Answer: D

Mathematics

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Evaluate the indicated double integral over R.; R = {(x, y): 0 ? x ? 3, 0 ? y ? 1}

A. -12 B. 15 C. 24 D. 12

Mathematics

One of the values r (radius), d (diameter), C (circumference), or A (area) is given for a particular circle. Find the indicated value. Leave ? in your answer.A = 25? m2; C = ?

A. 5? m B. 50? m C. 10? m D. 10 m

Mathematics

Determine whether the following graph is a function.

A. Function B. Not a function

Mathematics

Multiply. 

A. 2,011,000 B. 2,001,000 C. 2,000,000 D. 2,002,000

Mathematics