I need 1/2 - 1/3 = please

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *