What is the perimeter of rectangle that has a length of 8x - 12 and a width of 3x + 15?

Which expression gives you the distance between the points (5,1)and(9,-6)

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Rewrite so the subject can be y in the formula d=m-y/y+n