if the total income generated from gasoline for AER with 408 million, how much would be the cost for a barrel of gasoline

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41