2 x 40 + 200 x 2080

I’m curious of what the answer is

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

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?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?