The point P on the circle x2 + y2 = r2 that is also on the terminal side of an angle ? in standard position is given. Find the indicated trigonometric function.(12, 5)Find cos ?.
A. 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Write the sentence as a proportion.21 is to 7 as 27 is to 9
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Perform the indicated operation. Assume that all variables represent nonnegative real numbers.-5
- 3
A. -20
- 3
B. -29
C. -29
D. -401
Mathematics
Convert to Celsius. Use the formula C = 
(F - 32) or C = 
. Round your answer to the nearest tenth if necessary.41°F
A. -9.2°C B. 5.0°C C. 7.0°C D. 105.8°C
Mathematics
Solve.q2 + 2q - 7 = 0
A. 1 + 
B. -1 ± 4
C. -2 ± 
D. -1 ± 
Mathematics