Solve the problem.The perimeter of a rectangle is six times the width. If the length were increased by 4 inches and the width by 7 inches, the perimeter would be 160 inches. What is the width?
A. 69 in.
B. 46 in.
C. 23 in.
D. 138 in.
Answer: C
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If a bag of chips costs c dollars and a bottle of orange juice costs j dollars, evaluate the expression c + j to find the total cost of the two items.Chips: $1.75, orange juice: $2.95
A. $3.70 B. $4.70 C. $4.60 D. $3.60
Solve the system by the elimination method or a combination of the elimination and substitution methods.x2 + y2 = 104x2 - y2 = 96
A. {(10, 2), (2, 10), (-10, -2), (-2, -10)} B. {(10, -2), (10, 2)} C. {(-10, -2), (-2, -10)} D. {(10, 2), (-10, 2), (10, -2), (-10, -2)}
Use the elimination method by addition to find the solution for the following system.
A. x = -4, y = 6 B. x = -4, y = 5 C. x = -5, y = 6 D. The system is inconsistent.
Solve the equation.6x2 = 5x - 3
A. 
± 
B. - 
± 
C. 
± i
D. - 
± i