4.3 Given a circle with radius 4 cm, calculate (Use n = 3,14) The circumference, rounding off to two decimal places.

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? *

Can someone me find the original price? the discount is 5% and the sale price is $68.40

Compound inequalities. , i’m being timed