Can someone tell me what 8 x 1 1/2 equals

Which of the following is a justification used while proving the similarity of triangles lom and mon

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

What is the gcf of 20c^3-5c^4+30c^6