Use the indicated model of multiplication to illustrate the statement.3 x 4 = 4 x 3; set model
A. 3 x 4 has three sets of four elements each.
4 x 3 has four sets of three elements each.
B. 3 x 4 has four sets of three elements each.
4 x 3 has three sets of four elements each.
Answer: A
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For points 
in quadrant IV, the ratio 
is always negative because x is always positive and y is always negative. In what other quadrant is the ratio
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Write the compound inequality as an absolute value inequality. Do not simplify.-0.5 ? x ? 0.5
A. -0.5 ? 
? 0.5
B. x ? 
C. 
? 0.5
D. 
? 0.5
Estimate the solution of the equation from the associated graph.The graphs of y1 = -2x + 8 and y2 = -4x + 12 are shown. Estimate the solution of -2x + 8 = -4x + 12.
A. 
B. 2
C. 8
D. 4
Solve the inequality. Write the solution set in interval notation.
- 
? 
+ 1
A. 
B. 
C. 
D. 