An item has a price tag of $35 and another tag that says, "20% off." what is the sale price?

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

With number 11 ( show how you got the answer)

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? *