One package of blueberries costs $3.
How many packages of blueberries can
you buy with $12?

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Collin did the work to see if 10 is a solution to the equation r/4=2.4

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).