Rotate RSQ with vertices R(4.-1), 5(5.3). and 2(3, 1) by 90° about the origin.

Dot

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

One integer is 8 times another. if the product is 72, then find the integers

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?