Factor completely, or state that the polynomial is prime.m3 - mn2 + m2n - n3
A. (m + n)(m - n)
B. (m + n)2(m - n)
C. prime
D. (m - n)2(m + n)
Answer: B
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Translate the indicated expression.Linda passes a rest area on the highway. One-fourth of an hour later, Mark, traveling in the same direction, passes the same rest area. If t represents the amount of time it takes Mark to catch up to Linda, write an expression in terms of t that describes the amount of time Linda has traveled since passing the rest area.
A. 
B. 
- t
C. t - 
D. t + 
Rewrite the statement using mathematical symbols.P is the set of even numbers less than 30 and more than 20.
A. P = {22, 24, 26, 28} B. P = {20, 22, 24, 26, 28} C. Q = {20, 22, 24, 26, 28, 30} D. Q = {22, 24, 26, 28, 30}
Solve. If necessary, round to the nearest tenth.If a tree 42.5 feet tall casts a shadow that is 17 feet long, find the height of a tree casting a shadow that is 7 feet long.
A. 32.5 ft B. 2.8 ft C. 17.5 ft D. 103.2 ft
Evaluate.
