Three of the angles of a quadrilateral are 148 degrees 104 degrees and 36 degrees what is the size of the 4th angle

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?

Pls i’m super dumb and i need with this one it’s due tomorrow

Shown here are the three essential steps in a proof of the pythagorean theorem. comparing the 1st and 3rd steps how are the colored regions related as to the areas? a. yellow+blue=orange b. orange=yellow=green c. yellow+blue=green=orange d. yellow+green=orange+blue