Tell me the statements that are true ?? Please and hurry ASAP DUE SOON

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

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.