State the degree of this expression then write the expression in descending order y-y^2 + 5 +2y^3

Josephine has a great garden with and area of 2x2 + x - 6 square feet

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Find the missing factor. write your answer inexponential form.9^2=9^4×