Jaime wanted to find the answer to -3 + -6 using a number line. Which of the following number lines should Jaime use to model this problem?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.