There are 207 students in the nine classes at east middle school at this rate how many students are in six glasses

Which expressions are equivalent to the one below? check all that apply. 25x/5x a. 5x b. 5 c. 5x•5x/5x d. 25x e. (25/5)^x f. (25-5)^x

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u