Asap and put in a explaintion

Lisette takes an ela exam and got 16 out of 27 questions correct. what percentage of the questions did lisette get correct?

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.

Which number is composite a.9 b.5 c.11 d.2