Meg started her trip with 11 1/2 gallons of gas in her car's gas tank. she bought an additional 6 4/5 gallons on her trip and arrived back home with 3 3/10 gallons left. how much gas did she use on the trip?

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?

Which of the following scenarios demonstrates an exponential decay