Is 15f+9> 5(5f+3) solvable? if so , what are the real numbers?

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books