Factor, if possible.x2 + 24x + 144
A. Prime polynomial
B. (x - 12)2
C. (x + 12)2
D. (x + 12)(x - 12)
Answer: C
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Solve.Muffy buys pencils, sharpeners, and erasers from the bookstore for her class. She bought 4 more pencils than sharpeners and 5 fewer erasers than sharpeners. A pencil costs 21 cents; a sharpener costs 39 cents; and an eraser costs 20 cents. If Muffy spent a total of $13.44, how many erasers did she buy?
A. 22 erasers B. 21 erasers C. 17 erasers D. 12 erasers
Find the domain of the function.f(x) = ln 
A. x > 7 B. x > -7 C. x > 1 D. x > 0
Find the general term (the nth term) for the arithmetic sequence.7, 3, -1, -5, -9, ...
A. an = -3n + 12 B. an = -4n + 11 C. an = -4n + 7 D. an = -3n + 13 E. an = -n + 13
Determine whether the first number is divisible by the second number.85; 8
A. Yes B. No