Brock is a plumber. he charges a flat rate of $40 to visit a house to inspect it's plumbing. he charges an additional $20 for every hour he spends inspecting or making repairs. which graph correctly shows the price of using brock's plumbing service vs time?

Will give are given that xy is parallel to zw. if xz is a transversal that intercepts xy and zw, angle angle alternate interior angles. since xy is parallel to zw, we know that these angles are we also know that angle xvy and angle zvw are , and thus congruent. we can conclude that △xyv ~ △zwv using the similarity theorem.

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Precalculus question, image attached.