Solve the following system by substitution.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Edward's real estate tax bill was $7450 last year. If he paid $8100 this year, what was the percent increase on his taxes? Round your answer to the nearest hundredth of a percentage point.
A. 80.70% B. 91.98% C. 8.72% D. 8.02% E. 4.35%
Mathematics
Solve the problem.A cashier has a total of 129 bills, made up of fives and tens. The total value of the money is $845. How many ten-dollar bills does the cashier have?
A. 40 B. 60 C. 20 D. 89
Mathematics
Provide an appropriate response.The region indicated in the diagram
is described by
A. 
B. 
C. 
D. 
E. 
Mathematics
Determine whether the given linear equations are parallel, perpendicular, or neither.y = -7x - 3y = -7x + 3
A. parallel B. perpendicular C. neither
Mathematics