Factor completely, or state that the polynomial is prime.15x2y + 102xy - 21y
A. 3y(5x - 1)(x + 7)
B. 3y(5x - 1)(x - 7)
C. prime
D. 3y(5x + 1)(x - 7)
Answer: A
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Find all integer factors of the given number.125
A. -125, -62, -5, 5, 62, 125 B. -125, -25, -5, 5, 25, 125 C. -25, -5, -1, 1, 5, 25 D. -125, -25, -5, -1, 1, 5, 25, 125
Solve the problem.Ariel, a marine biologist, models a population P of crabs, t days after being left to reproduce, with the function 
. Assuming that this model continues to be accurate, when will this population become extinct? (Round to the nearest day.)
A. 547 days B. 1512 days C. 911 days D. 707 days
Verify the identity.cot(? - ?) = - cot ?
What will be an ideal response?
Solve the problem.A restaurant offers 4 possible appetizers, 12 possible main courses, and 4 possible desserts. How many different meals are possible at this restaurant? (Two meals are considered different unless all three courses are the same).
A. 20 meals B. 182 meals C. 64 meals D. 192 meals