Aline of best fit predicts that when x equals 30, y will equal 34.215, but y actually equals 32. what is the residual in this case?
a. -2.215
b. 2.215
c. 4.215
d. -4.215

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

In which form is the following function written? y = - 2(x – 3)(x + 5)