Quiz
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which shows the four-term polynomial and factored form of x2 + 6x-27?
o x2 + 3x – 9x - 27 = (x + 3)(x -9)
o x2 + 6x – 3x-27 = (x + 6)(x – 3)
o x2 + 9x -3x – 27 = (x + 9)(x – 3)
o x2 + 3x – 6x-27 = (x + 3)(x-6)

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?