Predict the general, or nth term, an, of the sequence.
, 
, 
, 
, 
, . . .
A. 
B. 
C. 
D. 
Answer: B
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Write the augmented matrix for the system. 2x + 3y + 2z = 6 7x + 8y - 2z = -37 3x + 4y + 9z = 52
A. 
B. 
C. 
D. 
Find the length of the unknown side of the right triangle. In each case, a and b represent the lengths of the legs and c represents the length of the hypotenuse.
b = 9, c = 15; find a
A. 14 B. 12 C. 15 D. 11
Solve the problem.The table lists the distance traveled by a falling object, where t is the elapsed time in seconds and d is the distance in meters.
Find a quadratic function that fits the data and use it to find the distance traveled after 15 seconds.
A. 3600 meters B. 5402.25 meters C. 900 meters D. 1102.5 meters
Solve the problem.Last night 30 fishing boats each hauled in 82 tons of fish. What was the total catch for the night?
A. 112 tons B. 2460 tons C. 118 tons D. 2466 tons