The round temperature dial on a thermostat has a radius of 3 centimeters. what is the dial's circumference?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Finding tbe values of the variables in each kite

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?