What is the slope of the line that passes through the points (2,3) and (8,6)

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?

Pls never taught i’m really confused and i rlly need

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42