Question 15 An item that originally costs $80 is discounted by 10%. Choose all the expressions that can
be used to find the new discounted price. *
800.90)
800.10)
80 - 80(0.10)
80(1 -0.10)
80(1 + 0.10)

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? *