Find the difference. Check by adding.824
A. 659
B. 889
C. 751
D. 759
Answer: D
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Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Solve the system by either elimination or substitution. Verify your work by using "intersect" on your graphing calculator of by checking that your result satisfies both equations of the system.
A. all points on the line 2x + 3y = 16; dependent system B. empty set solution; inconsistent system C. (-3.2, 12.8) D. (12.8, -3.2)
Translate the sentence into an equation and solve it.If four more than a number is equal to fifteen, what is the number?
A. 4 + n = 15, n = -11 B. n = 15 + 4, n = 19 C. n + 4 = 15, n = 11 D. 4 - n = 15, n = -11
By observing the vertical and horizontal change of the line between the two points indicated, determine the slope of the line.
A. m = -2
B. m = - 
C. m = 
D. m = 2