Find the sum.13 + (-12)
A. 25
B. 1
C. -1
D. -25
Answer: B
Mathematics
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Solve the problem.To solve the rational inequality 
? 2, you can first write the inequality with 0 on one side and the other side expressed as a single fraction. What value or values of x make the numerator of that fraction equal to 0?
A. {2} B. {-2} C. {2, 3} D. {3}
Mathematics
Solve.
= 9
A. 81 B. 78 C. 144 D. 84
Mathematics
Approximate the surface area of the figure using 3.14 for ?. If necessary, round your answer to the nearest tenth.
A. 846.2 yd2 B. 1502.5 yd2 C. 2072.4 yd2 D. 423.1 yd2
Mathematics
Provide an appropriate response.?T measures 12°. Find the supplement of ?T and the complement of ?T.
A. 168°; 78° B. 78°; 348° C. 258°; 78° D. 348°; 258°
Mathematics