A ladder that is 18-feet long leans against the side of a house. Find the height from the top of the ladder to the ground if the angle of elevation of the ladder is 50°. Round your answer to the nearest tenth.

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.

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.