If a and b are integers such that a^2 - b^2 = 100, what is the greatest possible value of a?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

The function models the number of accidents per 50 million miles driven as a function

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate