Help somebody that actually knows don’t send random i’m failing

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.

What is the value of the expression below? 148+(-6)| + |– 35= 7|

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.