Solve.x - y + z = 22y + z = 12 z = 6
A. (0 , 4, 6)
B. (-1 , 3, 6)
C. (0 , -4, 6)
D. (-1 , -3, 6)
Answer: B
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Find the mean, median, and mode of the list of numbers.24, 32, 40, 41, 47
A. mean: 36.8; median: 40; no mode B. mean: 40; median: 41; no mode C. mean: 36.8; median: 40.5; mode: 40 D. mean: 36.8; no median; mode: 36
Solve the problem.A machine produces open boxes using square sheets of plastic. The machine cuts equal-sized squares measuring 4 inches on a side from each corner of the sheet, and then shapes the plastic into an open box by turning up the sides. If each box must have a volume of 1600 cubic inches, find the length of one side of the open box.
A. 19 in. B. 24 in. C. 28 in. D. 20 in.
Write the polynomial in descending order.-a2 + 5 - a4
A. 5 - a4 - a2 B. -a4 - a2 + 5 C. -a2 - a4 + 5 D. 5 - a2 - a4
Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = x2 + 6x + 9
A. (-3, 0), (0, 9) B. (9, 0), (0, -3) C. (9, 0), (0, 3) D. (3, 0), (0, 9)