If (5n^5)^3÷(n^2)^7=875, then n is equal to

What is the smallest integer n such that n\sqrt{2} is greater than 20

It says factor each expression completely 8y+48

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x