The equation of the circumference of a circle is C = 2nr, where r is the radius of the circle. Compute the circumference of a circle whose diameter is 3.8 cm. Use the approximation n = 3.14 and round your answer to one decimal place.​

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

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? *

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?