Need someone with a good vocabulary and good at writing to message me and me write an introduction paragraph!

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.

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7