While he was playing a video game, Zach would lose 7 points every time his character’s hat was blown off. In one game, he lost 9 hats this way, but earned 25 points by completing a task. Zach’s score can be represented by this expression: -7(9) + 25. Which integer represents the change in Zach’s score? please help me

What’s the numerical coefficient of 6xy

What is a possible solutions of the x> 3?

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?