Find the radian measure of angle ?, if ? is a central angle in a circle of radius r, and ? cuts off an arc of length s.
?
r = 4 inches, s = 20 inches
?
A. 5
B. 6
C. 2
D. 3
E. 1
Answer: A
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Use the change-of-base formula to find the logarithm. Round your answer to four decimal places. log5 0.664
A. -0.1778 B. -3.9305 C. 7.5301 D. -0.2544
Write the slope-intercept form of the equation for the line passing through the given pair of points.(5, -9) and (5, -8)
A. -9x - 8y = 0 B. -8x - 9y = 0 C. y = -9 D. x = 5
For the set of numbers, find the mean, median, and mode. 28, 18.8, 21, 18.8,23.8, 17.3, 28, 16.4, 18.8,15.8
A. mean: 20.67, median: 18.8, mode: 28 B. mean: 20.67, median: 18.8, mode: 18.8 C. mean: 21.59, median: 19.9, mode: 28 D. mean: 21.59, median: 18.8, mode: 28
Solve the problem.A warehouse stores 770 different inventory items. 
of these items are perishable. How many of the inventory items are perishable?
A. 228 items B. 234 items C. 77 items D. 231 items