Find a ? b.a = 
, b = 
A. 
B. 13.5
C. 
D. 22.5
Answer: B
Mathematics
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Use an identity to find the exact value of the expression.tan
A. 2 + 
B. 
- 2
C. 2 - 
D. -2 - 
Mathematics
Solve the equation.
- 
= 
A. -7
B. 
C. -1
D. 1
Mathematics
Find the derivative.y = 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation.(-6x4 + 9x6 - 4 - 2x5) - (9 + 4x5 + 3x6 - 8x4)
A. 12x6 + 2x5 - 14x4 + 5 B. 12x6 + 2x5 - 14x4 - 13 C. 6x6 - 6x5 + 2x4 - 13 D. 6x6 + 2x5 - 14x4 + 5
Mathematics