Find the cardinal number for the set.
B = {x | x is a letter of the alphabet}

What are the domain and range of the functiony = 2(x - 3)2 + 4?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?