Solve the equation.-7x - 9x = -64
A. {4}
B. {32}
C. {- 32}
D. {-4}
Answer: A
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 4 sin t - sin 4t, y = 4 cos t - cos 4t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Write the number as indicated.A company had net revenues of $7,500,295 in one year. Write the number in words.
A. Seven million, fifty thousand, two hundred ninety-five dollars B. Seven million, five hundred thousand, two thousand ninety-five dollars C. Seven million, five thousand, two hundred ninety-five dollars D. Seven million, five hundred thousand, two hundred ninety-five dollars
Solve the problem.A water tank is formed by revolving the curve y = 2x4 about the y-axis. Find the volume of water in the tank as a function of the water depth, y.
A. V(y) = 
y3/2
B. V(y) = 
y3/2
C. V(y) = 
y9
D. V(y) = 
y1/2
Given the function f(x) = |x+5|, find f(7).
a. 25 b. 6 c. 12 d.10