Lets find the HCF of the following numbers by factorisation method

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

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?

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?