Amechanic does oil changes from a 50 gallon drum of oil. he uses 4 or 5 quarts of oil per car. about how many oil changes can he do from the 40% of oil left in the drum?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how