Solve. = 

A. 2
B. 5
C. 8
D. 4


Answer: A

Mathematics

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Solve the problem.Kara is making a box by cutting out 3-in.-by-3-in. squares from a square piece of cardboard and folding the edges to make a 3-inch-high box. What size of cardboard does Kara need to make a 3-inch-high box with a volume of 75 cubic inches?

A. 23 in. by 23 in. B. 5 in. by 5 in. C. 8 in. by 8 in. D. 11 in. by 11 in.

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Solve the problem.Estimate the minimum number of subintervals needed to approximate the integral with an error of magnitude less than 10-4  using Simpson's Rule.

A. 4 B. 3 C. 2 D. 6

Mathematics

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.-5x + 6y - z = -8  x + 8y + 5z = 86-8x + y + z = -35

A. {(6, -5, -8)} B. {(7, 3, 8)} C. {(6, 5, 8)} D. {(5, 8, 5)}

Mathematics

Provide an appropriate response.124 means?

A. 12 ÷ 4 B. 12 ? 12 ? 12 ? 12 ? 12 C. 12 ? 4 D. 12 ? 12 ? 12 ? 12

Mathematics