This dot shows the number of cakes sold each day in aunt alice cake shop last month 31 plus 14

15 points ! ~ see if you know the answer to both you!

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 value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12