Evaluate the expression for the given replacement value.159 ÷ x, for x = 3
A. 55
B. 56
C. 51
D. 53
Answer: D
Mathematics
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The length of a rectangle is 2 times its width. If the perimeter of the rectangle is 36 inches, find its length and width.
A. the length is 240 inches and the width is 12 inches B. the length is 12 inches and the width is 6 inches C. the length is 60 inches and the width is 12 inches D. the length is 24 inches and the width is 12 inches E. the length is 24 inches and the width is 6 inches
Mathematics
Solve the system algebraically.y = 5x + 10y = 2x + 7
A. no solution B. (1, -5) C. (-1, 5) D. (1, 5)
Mathematics
Determine whether the given point is in the solution set to the given system.
9x - 9y - 6z = -116x + 3y - 3z = 1 x - y + 2z = -3
A. Yes B. No
Mathematics
Subtract. Simplify, if possible.
- 5
A. 5
B. 
C. 6
D. 5
Mathematics