Find the sum.12 + (-1) + 10 + (-14)
A. 7
B. 15
C. -13
D. 37
Answer: A
Mathematics
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Solve.6r + 10 = 52
A. 40 B. 36 C. 7 D. 1
Mathematics
Find the linear approximation of the function at the given point.
at 
A. 
B. 
C. 
D. 
Mathematics
Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.tan(? + 22°)
A. cot(112° - ?) B. tan(68° - ?) C. cot(68° - ?) D. cot(158° - ?)
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(7x + 9)2 = 64
A. 
B. 
C. 
D. 
Mathematics