Solve by the substitution method.5x + 7y = 49 2x - 4y = -28

A. {(0, 7)}
B. {(-1, 8)}
C. ?
D. {(0, 8)}


Answer: A

Mathematics

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Solve by the substitution method.x - 2y = 5x = y + 2

A. {(-1, 2)} B. ? C. {(-1, -3)} D. Infinite number of solutions

Mathematics

Provide an appropriate response.Use a compass and straightedge to construct an angle of 45°.

What will be an ideal response?

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Solve the problem.The scale on a map is  inch to 6 miles. Find the actual distance between two towns for which the distance is represented by 37 inches on the map.

A. 891.85 mi B. 888 mi C. 876 mi D. 880.5 mi

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Given matrices A and B, find the indicated matrix if possible.A =  , B =   Find AB.

A.

B. AB is not defined.
C.

D.

Mathematics