Please answer

( Will give brainlst)!!

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?

Which of the following is equal to the rational expression when x is not equal to -2 or -6?

Hurry can a triangle can be constructed with angles measuring 115°,55°, and 20°? yes or no