The stem & leaf diagram shows the number of emails received by Colin each day. Find the mean rounded to 1 DP.

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?

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)