Solve.Sue wants to add a decorative wallpaper border to her living room. Refer to the diagram below for the dimensions of Sue's living room. How many feet of wallpaper border will she need?
A. 36 ft
B. 40 ft
C. 42 ft
D. 44 ft
Answer: D
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Solve.The distance that an object falls when it is dropped is directly proportional to the square of the amount of time since it was dropped. An object falls 288 feet in 3 seconds. Find the distance the object falls in 5 seconds.
A. 480 feet B. 160 feet C. 800 feet D. 15 feet
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.The enrollment at a local college increased 6% over last year's enrollment of 600. Find the increase in enrollment.
A. 360 students B. 564 students C. 36 students D. 636 students
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.x7/8 ? x1/8
A. 
B. x7/64
C. x
D. x7/8
Factor completely.x2 + 2xy - 15y2
A. (x - 5y)(x + y) B. (x + 5y)(x - 3y) C. (x - y)(x + 3y) D. (x - 5y)(x + 3y)