Give the coordinates of the points after a reflection over the line y=-4 a( 4,5) a' b(0,4) b' c(-2,1) c' use algebraic representation and show your work !

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?