Add. Use a number line only as a check.-71 + (30)
A. 41
B. -41
C. 101
D. -101
Answer: B
Mathematics
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Solve. 27 - n2 = 6n
A. 9, -3 B. 3, -9 C. -9, -3 D. 3, 9
Mathematics
Find the volume of the cone. Use ? ? 3.14.Find the volume of a cone with the following dimensions: r = 3 in., h = 19 in.Round your answer to the nearest tenth if necessary.
A. V ? 268.5 in.3 B. V ? 358 in.3 C. V ? 179 in.3 D. V ? 119.3 in.3
Mathematics
Find the sum.-3 + (-15)
A. -18 B. -12 C. 12 D. 18
Mathematics
Find the y-intercept.f(x) = x2 + 4x - 7
A. -7 B. 4 C. -12 D. 7
Mathematics