The value of y is directly proportional to the value of x. When x=3.5, the value of y is 14. What is the value of y when x = 28?

If the measure of xyz is 81 what is the measure of yz

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?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.