H(t)=-16tsqrt2+128t+68 max hieght

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 not true about kl and mn? what is mn? (show your work)

Reflect the point (7,0) across the y-axis