Solve the system by substitution.
A. (8, -5)
B. (-8, -4)
C. (-5, 8)
D. (7, -4)
Answer: A
Mathematics
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Solve.The floor plan of an office building is shown in the figure. If the entire surface is to be covered in carpet costing $32 per square yard, what will be the total cost of the carpet? (Assume that all corners are right angles. Round to the nearest dollar.)
A. $1649 B. $5817 C. $7182 D. $7893
Mathematics
Write the rate as a fraction in simplest form.A biker travels 258 miles in 27 hours.
A. 
B. 
C. 
D. 
Mathematics
Find the reciprocal.
A. -1
B. -15
C. 
D. 15
Mathematics
Graph the linear inequality.x - y > -3
A. 
B. 
C. 
D. 
Mathematics