Graph the linear equation x+3y=9. Then identify the x-intercept.

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

How is working backward similar to solving an equation?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10