Suppose the amount of algae in a pond doubles every 3 hours if the pond initially contains 50 pounds of algae , how much algae will be in the pond after 9 hours

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

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