Please help!! I'll give brainliest and all 35 of my points!

Y=21.95x+10 y=22.45x solve by substitution

Four equations are shown below. equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list. why each equation you identified is linear or nonlinear. nd one nonlinear equation from the list. state a reasonlinear equation

What is the surface area of a cube with the volume of 729 ft?