35 ptz George had 50 cookies, he lost half of the cookies in his room. He ate 5 cookies. If he found 5 and his sister found 10. How many cookies are still in his room? How many cookies does he have?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

(05.02)a farmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. a parallelogram with a height of 6 yards and side length 9 yards. the height forms a triangle with the slanted side of the rhombus with a base of 2.5 yards. rhombus is split into a soy half and a corn half. each bag of soil covers 40 square yards. how many bags should the farmer purchase?

Select all of the following expressions that are equal to 2.5.