How do i do this type of slope?

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

In what form is the following linear equation written y=9x+2

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left