What is the difference of the following polynomials? 6x^3 - 2x^2 + 4
-(2x^3 + 4x - 5)
A. 4x^3 - 2x^2 + 4x + 9
B. 4x^3 + 2x^2 - 4x - 1
C. 4x^3 - 2x^2 - 4x + 9
D. 4x^3 - 2x^2 - 4x + 1

Sandy works at a clothing store. she makes $7 per hour plus earns 15% commission on her sales. she worked 75 hours over the last two weeks and had a total of $2,566 in sales before taxes. which of the following is closest to how much she will earn in hourly wages and commission for those two weeks?

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?