Find the exact value of the composition.tan-1 
A. - 
B. - 
C. Undefined
D. 0
Answer: A
Mathematics
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Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.
A. 5xy B. 5x2y3 C. 5x5y7 D. 5x7y8
Mathematics
Solve the equation.x + 2 = -18
A. {-16} B. {16} C. {20} D. {-20}
Mathematics
Use factoring techniques to solve the quadratic equation.25x2 + 7 = 40x
A. 
B. 
C. 
D. 
Mathematics
Multiply.0.0026(6.3)
A. 0.0001638 B. 0.001638 C. 0.01638 D. 0.1638
Mathematics