Add all then divided okay hope that helps 5
Answer:
P = 2x + 150
Step-by-step explanation:
P = 2x + 150
53/3
we can't divide this term perfectly because 53 is not 3's double number.
#8 you do 360= 112+136+x... then you solve for x. X=112. Now you divide this by two since it is an inscribed angle. For #9 I have this very simplified work in the picture. Sorry I did not do #10