There are 20 green disks and 100 purple disks in a bag. what is the ratio of purple disks to green disks?

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?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Write the equation in logarithmic form 8^x=64