Combine your four observations from exercise 3 with those of the rest of the class on the chart on the board.
complete the table below.

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7

where is the picture

step-by-step explanation:

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.