Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 7 yd
B. 9 yd
C. 10 yd
D. 8 yd
Answer: D
Mathematics
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Solve the equation by the method of your choice. Simplify irrational solutions, if possible.
- 
r + 
= 0
A. {-2, 2} B. 0 C. {-2} D. {2}
Mathematics
Determine from the graph whether the function has any absolute extreme values on the interval [a, b].
A. No absolute extrema.
B.
| Absolute minimum only. |
C. Absolute minimum and absolute maximum.
D. Absolute maximum only.
Mathematics
Set up the general equation from the given statement.The centrifugal force C on a circular curve varies inversely as the radius r of the turn.
A. C = 
B. C = 
C. C = kr
D. C = 
Mathematics
Write the sentence as a proportion.21 is to 7 as 27 is to 9
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics