Need help!? Gina wilson 3.1

225/100 of last years cost. write each fraction as a decimal and as a percent

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Find the area of a parallelogram with base 15 yards and height 21 2/3