Ms groves has trays of paints for students in her art class. each tray has 5 colors. one of the colors is purple. what fraction of the colors in 20 trays is purple?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?