Which shows the rational expression written using the least common denominator x-2/x^3 + x+1/2x^3

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?