Fill in blanks plz hurry due tmrw

5/7of ... is 1/7

... is blank

(40 points) i need some . an answer definition is appreciated as well.

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

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.