Evaluate.
, for y = -27 and z = 3
A. 9
B. -3
C. 3
D. -9
Answer: D
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Describe the graph of the polar equation.r = 
A. Hyperbola passing through (5, 7) B. Line with slope 7 and y-intercept (0, -5) C. Line with slope 5 and y-intercept (0, -7) D. Ellipse centered at origin with intercepts (±7, 0) and (0, ±1)
Solve the problem.Barnes and Able sell life, health, and auto insurance. Sales for May and June are given in the matrices. Life Health AutoM = 
J = 
Use matrix addition to determine the total sales for each type of insurance
for each salesperson.
A. Life Health Auto 
B. Life Health Auto
C. Life Health Auto
D. Life Health Auto 
Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Ix about the x-axis, where r(t) = 
t3/2i + (8t cos t)j + (8t sin t)k, 
A. Ix = 16 B. Ix = 24 C. Ix = 32 D. Ix = 0
Find the exact circular function value.csc 
A. - 
B. - 
C. - 
D. - 