During the last election, voters supported an additional tax on gas for vehicles. Now, everyone has to pay an additional 12% tax for each gallon of gas. If a gallon of gas is $3.20 and you buy 5 gallons, what is the amount of the tax?

What is the equation of a parabola y(x) that has a vertex at point (− 1/3 , 0.3) and passes through point (− 2/15 , − 1/2 ).

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.