Andrea ran 4 miles in 30 minutes. what was her rate in miles per hour ?

With: label the vertices and all the elements needed. find x

Acircle has a circumference of 7.850 units. what is its radius?

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *