If the price of an item is x dollars write an expression to represent the sale price of any item in the store

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.