Can somebody help me with this?

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

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.

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?