Eight less than seven times a number equals thirteen

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?