The width of david's tent is 5 feet the length is twice the width. david's rectangular air mattress measures 3 feet by 6 feet. if david puts the air mattress in the tent, how many square feet of floor space will be available for the rest of his things?

Can someone me i’m confused. will give brainliest and a whole bunch of points

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)