Simplify the rational expression. Assume that no variable has a value which results in a denominator with a value of zero.
A. 4p2 - 4
B. 4p
C. -4p
D. 4p2 + 4
Answer: C
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Evaluate 
.g(x, y, z) = x2 + y2 + z2; G is the surface of the cube formed from the coordinate planes and the planes 
and 
A. 7
B. 
C. 5
D. 
Solve the problem. Round your answer to the nearest tenth.A wagon is pulled horizontally by exerting a force of 60 pounds on the handle at an angle of 25° to the horizontal. How much work is done in moving the wagon 50 feet?" .
A. 2718.9 ft-lb B. 1617.4 ft-lb C. 2110.8 ft-lb D. 1267.9 ft-lb
Find the equation of the line described, and express your answer in the specified form.Perpendicular to the line x = 5; passes through the point (9, 2); standard form
A. y = 2 B. y = 9 C. x = 9 D. x = 2
Solve the problem.Midtown Antiques collects 2% sales tax on all sales. If total sales including tax are $1551.17, find the portion that is the tax amount.
A. $31.02 B. $20.42 C. $30.42 D. $1520.75