Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 9 terms of the geometric sequence: 8, -16, 32, -64, 128, . . . .
A. 1375
B. 1368
C. 1362
D. 1366
Answer: B
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Provide an appropriate response. A street light is to be erected near the top of a pole. The top brace from the light to the pole is 4 feet long and the bottom brace is 5.5 feet long. The braces are attached on the pole 2 feet apart. What is the angle made between the pole and the top brace (lower side of the pole)?
A. 33.9° B. 56.1° C. 16.2° D. 129.8°
Solve the problem.A force of 5 pounds acts in the direction of 8° to the horizontal. The force moves an object along a straight line from the point (8, 6) to the point (20, 13), with distance measured in feet. Find the work done by the force. Round the answer to one decimal place, if necessary.
A. 69.5 ft-lb B. 94.1 ft-lb C. 68.8 ft-lb D. 13.8 ft-lb
Solve the problem.On a map of the Thunderbird Country Club golf course, 1.5 inches equals 60 yards. How long is the 9th hole if the map shows 9 inches?
A. 360 yd B. 10 yd C. 540 yd D. 810 yd
Solve the formula for the specified letter.
= 
for P
A. P = 
B. P = 
C. P = 
D. P = 