If li' s hiking backpack weighs 5 pounds less than 1/2 the weight of alan's hiking backpack. write an expression to describe the weight of li's hiking backpack. how many pounds does li's backpack weigh if alan's backpack weighs 36 pounds?

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?

If i have one apple and give you the apple, how many apples do i have?

Which point is a solution to y s 4x + 5?