Solve the triangle. Round decimal answers to the nearest tenth. Step-by-step solution.

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 the diagram of circle o, what is the measure of zabc?

Find the distance between (7,-6) and (-3,-9)