How do you write 75% as a fraction, mixed number, or whole number in simplest form?

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Simply 8x squared + 5(7x squared- x) - 2x =

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions