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?
Mathematics
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
Mathematics
Given matrices A and B, find the indicated matrix if possible.A = 
, B = 
Find AB.
A. 
B. AB is not defined.
C. 
D. 
Mathematics