Perform the indicated operation and express in lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: D
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Factor out the GCF from the polynomial.5t2 - 20t - 15
A. 5(t2 - 15t - 10) B. 5(t2 - 4t - 3) C. 5(t2 - 20t - 15) D. 5t(t2 - 4t - 3)
Solve the problem.The water reservoir for a city is shaped like a rectangular prism 238 meters long, 188 meters wide, and 18 meters deep at the end of the day, the reservoir is 60% full. How much water must be added overnight to fill the reservoir?
A. 442,966 m3 B. 1,248,358 m3 C. 1,127,549 m3 D. 322,157 m3
Write the number in scientific notation.48
A. 0.48 × 102 B. 4.8 × 101 C. 48 × 101 D. 4.8 × 102
Solve.The area of a triangular poster is 870 square centimeters. Its altitude is 2 feet shorter than twice its base. Find the lengths of the altitude and base.
A. base = 60 cm; altitude = 14.5 cm B. base = 15 cm; altitude = 58 cm C. base = 30 cm; altitude = 58 cm D. base = 30 cm; altitude = 29 cm