Look at the link plzzz

Find the slope of the line that passes through the points (0, 0) and (-2, -3). 2/3 3/2 -3/2

I'm confused on how to solve the triangle. can someone me ?

The maximum distance (in nautical miles) that a radio transmitter signal can be sent is represented by the expression 1.23h√, where h is the height (in feet) above the transmitter. estimate the maximum distance x (in nautical miles) between the plane that is receiving the signal and the transmitter. round your answer to the nearest tenth.