Factor out the greatest common factor.60m7 + 30m5 + 48m2
A. 6m2 (10m5 + 5m3 + 8)
B. m2(60m5 + 30m3 + 48)
C. no common factor (except 1)
D. 6(10m7 + 5m5 + 8m2)
Answer: A
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Solve the problem.If a fair coin is tossed twice, the probability that both tosses will come up heads is
A. 
.
B. 
.
C. 
.
D. 
.
E. none of these
Express the solution set of the inequality in interval notation.x ? 18
A. (18, ?) B. (-?, 18] C. [18, ?) D. (-?, 18)
Find the foci and endpoints of each axis for the given ellipse.9x2 + 16y2 = 144
A. Foci: (±
, 0); vertices: (± 4, 0);
endpoints of the minor axis: (0, ± 3)
B. Foci: (± 7, 0); vertices: (± 16, 0);
endpoints of the minor axis: (0, ± 9)
C. Foci: (± 4, 0); vertices: (±
, 0);
endpoints of the minor axis: (± 3, 0)
D. Foci: (0, ±
); vertices: (0 , ± 4);
endpoints of the minor axis: (± 3, 0)
Perform the indicated operations. Write the resulting polynomial in standard form.-3(x2 + 5x + 1) + (5x2 - x - 9)
A. 2x2 - 15x - 12 B. -8x2 - 16x - 12 C. 2x2 - 16x - 8 D. 2x2 - 16x - 12