How to get rid of negative variables

Could answer every question with steps

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.