Please help me. Taylor pays $5.25 for 5 yard of frabric. Whats the cost per yard? Thank you!

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5