Please help me out I’m supposed to turn this in

What is the best reason for jacinta to have a savings account in addition to a checking account

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?

What percent of the circle below is shaded?