Find the product of 3 square root 12 and 4 square root 12 in simplest form. Also, determine whether the result is rational or irrational

Which of the following contains a variable?

Interpret the following expression (5y^2-7)^3/(2y)^2

Reading tests are compared for two students. sara got 98, 100, 65, 78, 98, 46, 100, 100, 45, and 50 on her reading test. lee got 97, 67, 89, 99, 100, 45, 79, 89, 58, and 67 on his reading test.