Sub and like to JustN_Out plz plz plz plz

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?

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much