A ladder is leaning against a wall so that the top of it is touching the top of the wall. Katashi is standing below the ladder. He touches the ladder by the top of his head. Katashi is 4 feet tall. The distance from Katashi to the bottom of the ladder is 10 feet. The distance from the wall to Katashi is 15 feet. What is the height of the wall?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?