Find the real solutions of the equation by factoring.8x3 + 64x2 + 120x = 0
A. {0, 3, 5}
B. 
C. {0, -3, -5}
D. {-3, -5}
Answer: C
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Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.
A. 149.5 cm B. 17.292 cm C. 11.5 cm D. 299 cm
For the given function, find x when y is equal to the indicated value.f(x) = 
- 
, y = 1
A. 6, -8 B. 0, 6 C. -6, 8 D. -5, 8
Solve.The area of a rectangular wall in a classroom is 308 square feet. Its length is 5 feet shorter than three times its width. Find the length and width of the wall of the classroom.
A. width = 11 ft; length = 28 ft B. width = 11 ft; length = 16 ft C. width = 11 ft; length = 26 ft D. width = 11 ft; length = 38 ft
The nurse has 2.4 liter(s) of a solution that is 23.5% alcohol. How many liters of pure alcohol must she add to bring the solution up to a 74.5% concentration? ?
A. 4.6 liters B. 4.8 liters C. 5.2 liters D. 4.91 liters E. 5.6 liters