Solve the system of equations by the substitution method.
A. (4, -2)
B. (-2, 4)
C. no solution
D. (5, -3)
Answer: A
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Determine the ratio and write it in lowest terms.72 feet to 12 feet
A. 
B. 
C. 
D. 
A furniture store offers free setup and delivery services to all points within a 24-mi radius of its warehouse distribution center. If you live 20 mi east and 14 mi south of the warehouse, will you incur a delivery charge? Justify your answer.
What will be an ideal response?
Solve the problem.A piece of cable which is 
m long is to be cut into pieces 
m long. How many pieces will there be?
A. 
piece
B. 30 pieces
C. 50 pieces
D. 6 pieces
Solve the problem.Use the formula M = log (I/I0), where the magnitude of an earthquake on the Richter scale is based on I, the measurement of a seismic wave, and I0, the measurement of a seismic wave of a level zero earthquake with the same epicenter. If an earthquake measured 4.3 on the Richter scale, what was the intensity of the earthquake? Round to the nearest whole number.
A. 19,953 B. 74 C. 15,849 D. 1995