How do you factor 3x^2-3x-90

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.