The histogram shows the ages of the volunteers who cleaned up a beach.

what percent of the volunteers was at least 15 years old but no more than 24 years old?

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

The anwser cause i do not understand just plez