Factor completely.3x3 + 3x2y - 60xy2
A. 3x(x + 4y)(x - 5y)
B. (3x2 + 12xy)(x - 5y)
C. Prime
D. 3x(x - 4y)(x + 5y)
Answer: D
Mathematics
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Replace the polar equation with an equivalent Cartesian equation. r = 28 sin ?
A. x2 + (y - 14)2 = 196 B. y = 28 C. x2 + (y - 28)2 = 196 D. (x - 14)2 + y2 = 196
Mathematics
Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
Solve and check the equation. Begin your work by rewriting the equation without fractions.
- 
= 
A. {7}
B. {-4}
C. {4}
D. 
Mathematics
Solve.Use the Maclaurin expansion of ex to find 
.
A. ? B. 0 C. 1 D. -1
Mathematics