Factor by grouping.15a3 + 6a2b - 20ab2 - 8b3
A. (15a2 - 4b2)(a + 2b)
B. (3a2 + 4b2)(5a - 2b)
C. (3a2 - 4b2)(5a + 2b)
D. (3a2 - 4b)(5a + 2b)
Answer: C
Mathematics
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Find the measure of one interior angle of the polygon.
A. 120° B. 60° C. 108° D. 540°
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Solve using the percentage formula.What number is 88% of 330?
A. 29,040 B. 290.4 C. 2,904 D. 29.04
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Determine the correct exponential function of the form f(x) = bx whose graph is given.
A. f(x) = 
x
B. f(x) = 125x
C. f(x) = 8x
D. f(x) = 
x
Mathematics
Translate the phrase to an algebraic expression. Use "x" to represent "a number". Multiply 7
by a number
A. 7
B. 7
+ x
C. 7x ? 
D. 7
? x
Mathematics