Determine an equation that models the data best.
A. y = x + 4
B. y = - x - 4
C. y = - x + 4
D. y = x - 4
Answer: A
Mathematics
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Find the Cartesian product or cardinal number as requested.n(A × B) = 90n(B) = 10Find n(A).
A. 80 B. 100 C. 10 D. 9
Mathematics
Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither.y = 3x - 512x + 4y = 8
A. Neither B. Perpendicular C. Parallel
Mathematics
Express the solution set of the inequality in interval notation.x > 22
A. [22, ?) B. (-?, 22] C. (22, ?) D. (-?, 22)
Mathematics
Use an equation to solve the problem.Andrea spent $167.74 at the mall. She bought a CD for $15.39. She bought a sweater for $61.99. Blue jeans were on sale for $22.59, so she bought several pairs. How many pairs of blue jeans did Andrea buy?
A. 4 B. 6 C. 5 D. 3
Mathematics