Solve the system of equations. 3x+3y+6z=6 3x+2y+4z=5 7x+3y+3z=7

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.

Which table shows a proportional relationship between miles traveled and gas used?