Ineed ! consider that lines a and b are parallel. which alternate exterior angle equals 62°?   a) ∠12 b) ∠2 c) ∠7 d) ∠8

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

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?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2