Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 4 liters of natural oil for every 5 liters of synthetic oil. In order to make 711 liters of petrolyn oil, how many liters of synthetic oil are needed?

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? a) 6 b) 8 c) 14 d) 20

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2