Evaluate the polynomial.4x5 + 6x4 + 4x3 - x2for x = -2
A. -73
B. -72
C. -68
D. -39
Answer: C
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the semicircle 
to the semicircle 
.
A. 
B. 
C. 
D. 
Solve the problem.The manager of a coffee shop has one type of coffee that sells for $8 per pound and another type that sells for $14 per pound. The manager wishes to mix 50 pounds of the $14 coffee to get a mixture that will sell for $12 per pound. How many pounds of the $8 coffee should be used?
A. 12.5 pounds B. 25 pounds C. 75 pounds D. 37.5 pounds
Identify the number as prime, composite, or neither.167
A. Neither B. Composite C. Prime
Determine if the given vectors are orthogonal, parallel, or neither.v = 4i + 3j, w = 8i + 6j
A. Orthogonal B. Neither C. Parallel