A boat traveled 27 miles in 2 hoirs. At this rate how many miles will the boat travel in 1/2 hour

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Write a function rule for the table

Is (root2 -2)^2 rational or irrational. show the steps and answer fast