Factor completely.a2 + 6ab + 9b2
A. (a - 3b)(a + 3b)
B. (a - 6b)(a + 6b)
C. (a + 3b)2
D. (a - 3b)2
Answer: C
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Use Newton's method to find an approximate answer to the question. Round to six decimal places.Where are the inflection points of f(x) = 
x4 + 
x3 - 5x2 + 7 located?
A. x ? -1.169188, 0.407283 B. x ? -1.170422, 0.907283 C. x ? -0.919188, 0.657283 D. x ? -1.058077, 0.296172
Simplify the radical expression. Assume all variables represent positive real numbers.
A. 10,000 B. 10 C. -10 D. not a real number
Find the Social Security tax and Medicare tax on the annual gross income of a self-employed individual. For a self-employed person, the FICA rate is 12.4% and the Medicare rate is 2.9%. Round to the nearest cent if needed.Larry Barnes, management consultant, earned $67,504.96
A. $8270.62, $1857.64 B. $8370.62, $1957.64 C. $4185.31, $1957.64 D. $4185.31, $978.82
Write the following proportions.28 children is to 30 bicycles as 14 children is to 15 bicycles
A. 
= 
B. 
= 
C. 
= 
D. 
= 