Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.sec 
A. 1.36
B. 1.12
C. 1.00
D. 1.24
Answer: D
Mathematics
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Solve for x, where x is a real number.
= 
A. 49
B. 
C. 7
D. 
Mathematics
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.z-2/7 ? z3/7
A. z7/6 B. z1/7 C. z-1/7 D. z6/7
Mathematics
Solve the equation.4x + 12 = 0
A. 
B. 
C. 
D. 
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = 8x - 5, g(x) = 
A. Yes B. No
Mathematics