Solve the problem.The sprocket assembly on a bicycle consists of a chain and two sprockets, one on the pedal and the other on the rear wheel. If the sprocket on the pedal is 
in diameter, the sprocket on the rear wheel is 
in diameter, and the rear wheel is 
in diameter, how fast is the bicycle traveling in miles per hour when the cyclist is pedaling at the rate of 
style="vertical-align: -4.0px;" /> per second? Round your answer to the nearest tenth mph.
A. 4.3 mph
B. 3.3 mph
C. 8.3 mph
D. 6.3 mph
Answer: A
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Solve.A sign board has an area of 209 m2. The length of the diagonal is 
m. What are the dimensions of the sign?
A. 11 m by 22 m B. 11 m by 19 m C. 13m by 19 m D. 12 m by 18 m
Find the magnitude of the horizontal and the vertical components for the vector with the given magnitude and direction angle ?. Round to the nearest tenth.?v? = 173.4, ? = 101°
A. 
= -33.1, 
= 170.2
B. 
= 170.2, 
= -33.1
C. 
= 170.2, 
= 33.1
D. 
= 33.1, 
= 170.2
Solve.
= 6
A. 2 B. 9 C. 8 D. 18
Solve.Regrind, Inc. regrinds used typewriter platens. The variable cost per platen is $1.70. The total cost to regrind 90 platens is $500. Find the linear cost function to regrind platens. If reground platens sell for $9.50 each, how many must be reground and sold to break even?
A. C(x) = 1.70x + 500; 65 platens B. C(x) = 1.70x + 347; 45 platens C. C(x) = 1.70x + 500; 45 platens D. C(x) = 1.70x + 347; 31 platens