Simplify the expression.
?
3(9 - 4)
?
A. 15
B. 14
C. 11
D. 17
E. 18
Answer: A
Mathematics
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Find the requested part of the triangle. Round your answer to two decimal places.Find the measure of the side labeled x. 
A. 14.96 B. 18.56 C. 16.16 D. 16.27
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Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Mathematics
Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 18 sec B. 36 sec C. 27 sec D. 9 sec
Mathematics
Use the product rule to multiply. Assume all variables represent positive real numbers.
? 
A. 30
B. 60
C. 30
D. 50
Mathematics