Solve the problem.A carousel has a radius of 17 feet and takes 25 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? Express the answer in feet per second. If necessary, round the answer to two decimal places.
A. 4.27 feet per second
B. 9.24 feet per second
C. 0.68 feet per second
D. 106.81 feet per second
Answer: A
Mathematics
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Solve the equation. Express radicals in simplest form.9x2 + 5x - 4 = 0
A. 
, 0
B. 
, -1
C. 
, -1
D. 
, 1
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Solve the proportion.
= 
A. 15 B. 6 C. 9 D. 11
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Solve the problem.Yolanda, whose regular rate of pay is $8.78, with time and a half for overtime, worked 52.25 hours last week. Find her gross pay for the week.
A. $458.76 B. $510.53 C. $688.13 D. $512.53
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Find the surface area of a cylinder with radius 4.6 mm and height 9.2 mm. Round the answer to one decimal place.
(a) 133.0 mm² (b) 265.9 mm² (c) 294.6 mm² (d) 398.9 mm²
Mathematics