What multiplies to get 9 and adds to get 27

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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?