Simplify the root. 
A. - x7
B. x7
C. 
D. - 
Answer: B
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Combine like terms, if possible.6n3 - 8n3
A. -2n6 B. -2n3 C. 2n3 D. 2n6
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. -20
-2
- 3
- 3
A. -23
- 
B. -17
- 5
C. -23
- 5
D. -17
+ 
Solve the problem.Find the work done by a force of 16i (newtons) in moving as object along a line from the origin to the point 
(distance in meters).
A. 47.81 joules B. 48.00 joules C. 50.60 joules D. 16.87 joules
A right circular cylinder with a wall that is 1 cm thick is dipped into paint. How many square centimeters of paint are needed to cover the cylinder (inside and out)? The radius of the inner wall, r, of the cylinder is 4 cm, the radius of the outer wall, R, of the cylinder is 5 cm and the height of the cylinder is 10 cm. Give the exact answer.
What will be an ideal response?