Staci is walking to her friend Angie’s house. The function y = −0.5x + 10 represents Staci’s distance y in blocks from Angie’s house at any time x in minutes. How long does it take Staci to walk to Angie’s house?

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?