Agroup of preschoolers has 16 boys and 66 girls. what is the ratio of boys to all students

You love to play soccer! you make a shot at the net 8 times during a game! of those 8 attempts, you score twice. what percent of the time did you score?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?