Part 3 of coordinate planes, please help if you know it :)

Multiply. write your answer in simplest form. 3/8 x 5/7

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?

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3