Solve (1-3x)^3 using the cube of difference formula

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

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?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?