Find b. round to the nearest ! ! !

Is every rectangle is a parallelogram? true false

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 of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u