If take 2 and half hour to clean around patio what fraction of clean it in 1 hour?

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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? *