Multiply the polynomials. Express the answer as a single polynomial in standard form.(x + 3)3
A. x3 + 9x2 + 3x + 27
B. x3 + 9x2 + 27x + 27
C. x3 + 3x2 + 3x + 27
D. x3 + 9x2 + 9x + 27
Answer: B
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Solve the problems.Midtown Antiques has found that sales have decreased 4% from last year. Sales this year are $114,631. Find the amount of last year's sales. Round your answer to the nearest dollar.
A. $119,397 B. $119,307 C. $120,407 D. $119,407
Simplify. Assume all variables and radicands represent non-negative real numbers.
A. 
B. x + 3
C. (x + 3)2
D. x - 3
Solve the problem.Two airplanes leave an airport at the same time, one going northwest (bearing 135°) at 422 mph and the other going east at 
. How far apart are the planes after 2 hours (to the nearest mile)?
A. 711 miles B. 1268 miles C. 1184 miles D. 1422 miles
Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Decreasing on (-?, 0]; increasing on [0, ?) B. Increasing on (-?, 0]; decreasing on [0, ?) C. Decreasing on (-?, ?) D. Increasing on (-?, ?)