Find the unit rate for 72 oz for 12 servings.

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?