Solve the problem.A bicycle wheel rotates 80 times in 1 minute. Through how many degrees does a point on the tip of the wheel move in 12 seconds?
A. 5760°
B. 480°
C. 960°
D. 72°
Answer: A
Mathematics
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Find the missing length in the right triangle.
?20 in.
A. 27 in. B. 360 in. C. 720 in. D. 19 in.
Mathematics
Change the decimal number 0.02 to an equivalent percent and reduced fraction.
A. 20%; 
B. 0.0002%; 
C. 2%; 
D. 0.2%; 
Mathematics
Solve.The enrollment at a local college increased 7% over last year's enrollment of 800. Find the current enrollment.
A. 856 students B. 1360 students C. 56 students D. 807 students
Mathematics
Based on the graph, find the range of y = f(x).
A. (-?, 0) or (0, ?) B. (-10, 10) C. (-?, 0) or {0} or (0, ?) D. (-?, ?)
Mathematics