Find the circumference of the circle below:
15 in

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Whats the name of the vertical axis

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?