Perform the indicated operation.-5 + (-10)
A. 5
B. -15
C. 15
D. -5
Answer: B
Mathematics
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Multiply and simplify. Assume all variables represent nonnegative real numbers. Write your answer in radical notation.
A. x
B. 2x
C. 2
D. 
Mathematics
Evaluate the root function at the given x-value. Round to the nearest hundredth when appropriate.f(x) = 
, x = -62
A. 4 B. Undefined C. -5 D. 5
Mathematics
Convert the degree measure to radian measure. Use the value of ? found on a calculator and round answers to three decimal places.129.2°
A. 405.894 B. 2.255 C. 0.443 D. 4.51
Mathematics
Solve the system by the best method. Use set notation to express the solution set.
A. no solution; ? B. {(7, 4)} C. {(4, 7)} D. {(1, 1)}
Mathematics