Factor.27a3 - 125b3
A. (3a - 5b)(9a2 + 25b2)
B. (3a + 5b2)(9a2 - 15ab + 25b2)
C. (27a - 5b)(a2 + 15ab + 25b2)
D. (3a - 5b)(9a2 + 15ab + 25b2)
Answer: D
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A. z = 0.25; percentile = 59.87 B. z = -2.5; percentile = 0.62 C. z = 2.5; percentile = 1.95 D. z = 2.5; percentile = 99.38
Convert the given quantity to the desired unit. Round to the nearest tenth if necessary.161 lb to kg
A. 73.1 kg or 73.2 kg B. 49.1 kg C. 527.9 kg D. 354.6 kg or 354.2 kg
Find the exact value of the following expression without using a calculator.cos 
A. 
B. 
C. 
D. 
Use a proportion to solve the problem. Round to the nearest tenth as needed.A triangle drawn on a map has sides of lengths 8 cm, 10 cm, and 15 cm. The shortest of the corresponding real-life distances is 136 km. Find the longest of the real-life distances.
A. 170.0 km B. 255.0 km C. 160.0 km D. 265.0 km