The amount of increase from the cost of an item to it's selling price is

What are the vertical asymptotes of the function f(x) =5x+5/x2 + x-2

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

What is the prime factorization of 230