Use the appropriate addition formula to find the exact value of the expression.tan 
A. 
B. 2 + 
C. -2 - 
D. 
Answer: C
Mathematics
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Solve the equation.21b + 24 = -11b
A. 
B. - 
C. - 
D. - 
Mathematics
Find the simple interest. Round your answer to the nearest cent.Principal = $2000Rate = 8.7%Time in years = 
A. $174.00 B. $5.80 C. $580.00 D. $58.00
Mathematics
Find the value of the determinant.
A. 80 B. 130 C. -90 D. -12
Mathematics
Use a system of linear equations to solve the problem.A flat rectangular piece of aluminum has a perimeter of 60 inches. The length is 14 inches longer than the width. Find the width.
A. 22 in. B. 30 in. C. 8 in. D. 36 in.
Mathematics