Answer:
x = 100 degrees
Step-by-step explanation:
180 - 57 = 123
x + 23 = 123
x = 100
Hope that helps!
Simply present that you would split them up as a factor of two. ( make two lines going either vertically or horizontally. place in varriations, a marble in one line and a marble in the other and then count the leftover
Geologic era occurred first