6y+2=-22 what is a in this equation

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?