Surface area of rectangle
8 length
9 width
7 hight

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 circumference of a circle is 5 pi cm. what is the area of the circle?

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression