Use a proportion to solve the problem.On Hector's bicycle, the ratio of pedal turns to rear-wheel turns in second gear is 4 to 7. If his rear wheel turns 833 times per mile, how many times does he turn the pedal in one mile?
A. 1457.8 times
B. 476 times
C. 840 times
D. 837 times
Answer: B
Mathematics
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Describe the graph using another equation.y = sin (? - x)
A. -sin x B. cos x C. sin x D. -cos x
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Express the phrase as a ratio in lowest terms.21 in. to 6 in.
A. 
B. 
C. 
D. 
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Find the indicated matrix.Let C = 
and D = 
. Find C - 3D.
A. 
B. 
C. 
D. 
Mathematics
Simplify the given expression.2 + 4(5w + 3) - w
A. 19w + 14 B. 19w + 5 C. 21w - 14 D. 21w + 14
Mathematics