What is true about the graph of f(x) =(x-3)^2-1

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?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

What is the perimeter of square abcd? units units 28 units 37 units