Which graph represents this system of equations? y+2x =3 y+2=3x

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip