The cone shown has a diameter of 18 meters and a slant height of 15 meters. which choice is the closest to the lateral surface area? use 3.14 approximate pi.

a. 170 square meters
b. 339 square meters
c. 424 square meters
d. 1,356 square meters

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?

You draw a card at random from a deck that contains 33 black cards and 77 red cards.

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?