Use the distributive property to rewrite the algebraic expression without parentheses. Then simplify the result, if possible.5(x - 3)
A. 5x - 3
B. 5x + 15
C. 5x - 8
D. 5x - 15
Answer: D
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Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
2
A. x + 14
+ 100
B. x + 14
+ 46
C. x + 14
+ 49
D. x + 14
+ 52
Use the circle graph to solve the problem.The circle graph below gives the inventory of the women's department of a store.
In which item of apparel does the store have the smallest investment?
A. Coats B. Lingerie C. Socks D. Skirts
Use these sets to find the following. Identify any disjoint sets.Let U = {9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19}, M = {9, 11, 13, 15}, 
and 
(R ? N) ? M'
A. N, or {10, 12, 14, 16, 18} B. M, or {9, 11, 13, 15} C. ?; M' and (R ? N) are disjoint sets. D. {9, 10, 12, 14, 16, 18}
Solve the system by elimination. If the system is inconsistent or dependent, say so.x - 7y = -1-3x + 21y = 3
A. (-1, 0) B. (0, 0) C. infinite number of solutions of the equation x - 7y = -1; dependent system D. empty set solution; inconsistent system