A circle has a radius of 6x^9y^5 The area of a circle can be found using a= πr2 What is the area of this circle in square centimeters?

Which of the following expressions is equal to 2x^2+8

The sum of two numbers is 12 and their difference is 18 what are the two numbers

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?