Can someone help me understand how to do this

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°