Me with this it is so confusing and i asked my teacher to me and she couldn't stand doing this kind of math so me as soon as possible. you to everyone who has been me.

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?