Perform the indicated operation or operations.
- 
A. 1
B. 
C. 
D. 
Answer: B
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Simplify the expression. Write the result using positive exponents only.r-5
A. - 
B. r1/5
C. 
D. -r5
Determine whether the given points are on the graph of the equation.y = x3; (4, 12)
A. Yes B. No
Solve the problem.David's company has to ship 4950 boxes of sprinklers. If a truck can hold 550 boxes, how many truckloads does he need to ship all the boxes?
A. 8 truckloads B. 7 truckloads C. 9 truckloads D. 10 truckloads
Solve the problem.The angle of elevation from the top of a house to a plane flying 7200 meters above the house is x radians. If d represents the horizontal distance, in meters, of the plane from the house, express d in terms of a trigonometric function of x.
A. d = 7200 tan x
B. d = 7200 cot x
C. d = 
D. d = 7200 sec x