In the figure below, lines l, m, and n intersect to form the angles shown. What is the measure, in degrees, of Angle 1 ?

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?

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180