My post prized possession.

it should be on camera.
and 250 to 350 words.
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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?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

What is the perimeter of an equilateral triangle if each side is (x+3)?