Can you answer these 2 questions for me quickly i have to submit it in 5 minutes

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

The longer leg of a 30-60-90 trangle is 18

What is the area of the shaded sector?