PLS HELP!

If the number of Conference participants decreases by 20% compared to last year, there would be 1760 participants this year. If the number of Conference participants increases by 25%, how many more participants would be there this year versus last year?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale

24m^2n+30mn^2+18mn, a sweet challenge!