in order to clean her aquarium, Stephanie must remove half of the water. the aquarium measures 30 inches long, 16 inches wide, and 12 inches deep. the aquarium is currently completely full. what volume of water in cubic inches, must Stephanie remove?

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

Here is another math questions. i will keep asking different questions. 4^2x=6