Solve the system by elimination. If the system is inconsistent or dependent, say so. x + 5y = 285x + 5y = 0
A. (-7, -7)
B. (-7, 7)
C. infinite number of solutions of the equation x + 5y = 28; dependent system
D. empty set solution; inconsistent system
Answer: B
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Simplify the algebraic expression by removing parentheses and combining similar terms.5(-x - 1) - 3(5x + 1) - 4(x + 3)
A. –24x - 20 B. –22x - 20 C. –22x - 16 D. 22x + 20 E. –24x - 16
Solve the problem.A table is 
feet long. If 
of one side is up against a wall, how many feet are up against a wall?
A. 5
ft
B. 4
ft
C. 1
ft
D. 5
ft
Find the exact answer.At SuperStop, gasoline costs 
per gallon when you pay with a credit card and 
gallon less when you pay with cash. How much do you save by filling up a 
tank if you are paying cash?
A. $54.30 B. $1.20 C. $12.00 D. $53.10
Add or subtract as indicated. Simplify, if necessary.
+ 
A. 
B. 
C. 
D. 1