Use a proportion to solve the problem.Jim drove 210 miles in 6 hours. If he can keep the same pace, how long will it take him to drive 420 miles?
A. 24 hours
B. 1260 hours
C. 12 hours
D. 22 hours
Answer: C
Mathematics
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A. (-7, 8), (0, 6), (1, -8) B. (-7, -20), (0, -6), (1, -8) C. (-7, 8), (0, -6), (1, -8) D. (-7, -22), (0, -6), (1, -8)
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? is a central angle that cuts off an arc of length s. Find the radius of the circle if ?= 9°, 
m .
?
A. 9 m B. 10 m C. 11.92 m D. 12 m E. 10.26 m
Mathematics
Simplify the expression.(
+ 
)(
- 
)
A. 6 B. 400 C. -6 D. 0
Mathematics