Divide.
A. 16x8 + 6x2
B. 4x4 + 24x6
C. 4x4 + 6x2
D. 10x10
Answer: C
Mathematics
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Evaluate the factorial expression.
A. 
B. 30
C. 2!
D. 6
Mathematics
Find a formula for the nth term of the sequence.The sequence 7, -7, 7, -7, 7, . . . (7's with alternating signs)
A. an = 7(-1)n B. an = 7(-1)2n-1 C. an = 7(-1)2n+1 D. an = 7(-1)n+1
Mathematics
Solve the problem.A jet plane traveling at a constant speed goes 1400 miles with the wind, then turns around and travels for 1200 miles against the wind. If the speed of the wind is 50 mph and the total flight took 4 hours, find the speed of the plane in still air.
A. 535 mph B. 625 mph C. 705 mph D. 650 mph
Mathematics
Solve and graph the inequality. Give answer in interval notation.-4 < 3x + 2 ? 8 
A. [-2, 2]
B. (-2, 2)
C. (-2, 2]
D. [-2, 2)
Mathematics