Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: B
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Plot and label the given points.(4, 2), (6, -6)
What will be an ideal response?
Find the standard deviation for the given data. Round your final answer to one more decimal place than that used for the observations.The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below.0.665?0.565?0.422?0.426?0.395?0.407?0.321
A. 0.426 mm B. 1.5457 mm C. 0.1168 mm D. 1.4638 mm
Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
> x
A. (0, 3) ? (6, ?)
B. (-?, 3) ? (6, ?)
C. (6, ?)
D. (-?, 0) ? (3, 6)
Find the sum.70.104 + 20.4 + 4.68 + 14.52
A. 109.704 B. 109.804 C. 110.704 D. 109.714