Answer:
53
Step-by-step explanation:
it's 53. i think they are called alternate angles
Its important to know how to estimate quotients so when you have a quotient that doesn't divide easy or is a little long. You get get to a number that is easier.
The Domain also known as the x value would be (-2,1,0,3)
There is a site that is called desmos that can help you.
Like so..↓