Find the distance between the points (5,11) and (0,23)

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?

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?