Question

1) (19-16), (-7,-15)​

Answer 1

your answer is -285,112

Step-by-step explanation: first you do this

`(y1)/(y2) (x1)/(x2) \\`

the numders should go like this

`(-15)/(-16) (-7)/(19)`

then you cross multiply

`-15*(19)\\-7*(-16)`

the answers to the multiplication

`-15*(19)= -285\\-7*(-16)=112`

the answer is

-285,112