Perform the indicated operation.(6a5 + 2a4) + (8a5 - 9a4)
A. 7a9
B. 7a18
C. 14a10 - 7a8
D. 14a5 - 7a4
Answer: D
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Solve the problem.Determine for base four the smallest and largest four-digit numbers and their decimal equivalents.
A. 1111four = 85, 3333four = 255 B. 0000four = 0, 4444four = 340 C. 1111four = 85, 4444four = 340 D. 1000four = 64, 3333four = 255
Solve the problem. Find the magnitude of the torque in foot-pounds at point P for the following lever:
= 4 in. and 
= 25 lb
A. 
ft-lb
B. - 
ft-lb
C. 
ft-lb
D. 
ft-lb
Solve the problem. Round to two decimal places if needed.A sector of a circle has an area of 96 square feet. Find the central angle (in degrees) that forms the sector if the radius is 9 feet.
A. 67.94° B. 222,878.98° C. 135.88° D. 445,757.96°
Graph the line, finding intercepts to determine two points on the line.6y - 3x = -9
A. x: 
; y: (0, -3)
B. x: 
; y: (0, 3)
C. x: (3, 0); y: 
D. x: (-3, 0); y: 
