Why are postulates called consistent​

Linet passes through (4.5) and is perpendicular to the line shown on the condirate grid.what is the equation of line t in standard form?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account