?Use the matrix capabilities of a graphing utility to solve the following system of linear equations:
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: E
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Solve the problem.Suppose that the amount of oil pumped from a well decreases at the continuous rate of 
per year. When, to the nearest year, will the well's output fall to one-eighth of its present value?
A. 2 years B. 10 years C. 15 years D. 22 years
Identify the coordinates of each point labeled in the figure. Name the quadrant in which each point lies, or state that the point lies on the x-axis or y-axis.
A. A(2, 6) in quadrant I; B(4, -3) in quadrant IV B. A(2, 4) in quadrant I; B (6, 4) in quadrant I C. A(6, 20) in quadrant I; B(4, -3) in quadrant IV D. A(2, 6) in quadrant I; B(-3, 4) in quadrant II
Factor the polynomial completely.216s3 + 1
A. (6s - 1)(36s2 + 6s + 1) B. (6s + 1)(36s2 + 1) C. (6s + 1)(36s2 - 6s + 1) D. (216s + 1)(s2 - 6s + 1)
Identify the GCF of the group of terms.10m5 and 40m7
A. 10m2 B. 10m5 C. 400m2 D. 40m5