What will be the sum of zero if it is multiplied and divided by zero

let's write this a better way.

now, let's simplify the numerator. when you multiply any number by zero, the product is always .

when you divide anything by zero, the quotient is always "undefined" because there is no number that can be multiplied by zero to get the dividend. therefore, the answer is: undefined

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail