One winter night, the temperature outside was 6°F. Overnight, the temperature dropped to –12°F. Describe how you would use a number line to determine the number of degrees the temperature dropped overnight. How many degrees did the temperature drop?

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.

Find the product of (4x + 3y)(4x − 3y). 16x2 − 24xy + 9y2 16x2 − 9y2 16x2 + 24xy + 9y2 16x2 + 9y2

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle