Find the sum.[-8 + (-2)] + [(-1) + (-12)]
A. -3
B. -23
C. -5
D. -7
Answer: B
Mathematics
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Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.
A. p4/5
B. p5/4
C. 
D. 
Mathematics
Divide.
A. m2 + 7m + 2 B. 2m2 - 7m + 6 C. m2 + 8m + 9 D. 2m2 + 7m + 6
Mathematics
Find the exact value of the expression.sec-1(-2)
A. - 
B. - 
C. 
D. 
Mathematics
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.sec 
A. 0.94 B. 1.00 C. 1.05 D. 0.89
Mathematics