Which number is a solution to the inequality m> 13/3

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.

Which expression gives the exact value of x?

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?