In the fifth grade at lenox elementary school , there are 4/5 as many students who do not wear glasses as those who do wear glasses. if there are 60 students who wear glasses, how many students are in 5th grade?

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex