Mr. Wilson compares the quiz scores of her first-period math class and her second-period math class. The third quartile of her second-period class is _ more than the third quartile of her first-period class.

36 inches/second = yards/minute how many yards?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Your car's gasoline tank holds 18 gallons of gasoline. on a trip in canada, the tank is one-quarter full. you want to fill the tank. how many liters of gasoline are needed to fill the tank