Help me on this please

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

What is the interquartile range of this day at set?

Larissa dives into a pool that is 8 feet deep. she touches the bottom of the pool with her hands 6 feet horizontally from the point at which she entered the water. what is the approximate angle of elevation from the point on the bottom of the pool where she touched to her entry point? 36.9° 41.4° 48.6° 53.1°