Solve for x
"9x^2-x=0"

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

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?