Solve the system of equations by substitution.
A. (7, 0)
B. (0, -7)
C. (1, -8)
D. no solution
Answer: B
Mathematics
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Use an equation to solve the problem.The average price of homes in one neighborhood decreased 4% since last year, a drop of $3,500. What was the average price of a home last year?
A. $84,500 B. $89,500 C. $86,500 D. $87,500 E. $83,500
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Determine whether the diagram could represent a function.DomainRange 
A. Yes B. No
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Find an equation for the line with the given properties.Parallel to the line 9x + 7y = 46; containing the point (2, 1)
A. 9x - 7y = 25 B. 2x + 7y = 46 C. 9x + 7y = 25 D. 7x + 9y = 1
Mathematics
In how many ways can 8 candy bars be selected from 13 different candy bars?
a. 1,030 b. 2,574 c. 3,861 d. 1,287
Mathematics