Question #6. Please explain.

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?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Negative 5 1/12 + negative 4 1/4 + 6 3/4