Solve the system algebraically. 2x + y - 10 = 0 x - y - 5 = 0 what is the value of y? -5/3 0 5

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?

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?