Answer:z=47
Step-by-step explanation:
You're doing this because if you have z-31=16 you have to + 31 to 16 which would give you 47 then that would be a one step equation
z-31=16
you would make a line between the equal sign so it is organized then plus 31 to sixteen then that would get you to 47
Answer:
3
Step-by-step explanation:
3 because it’s further way from 70-90
For this case we have that the figure shown consists of 7 sides.
Then a regular heptagono is observed (the sides are equal). By definition, we have that the sum of the internal angles will be given by:

Where:
n: It is the number of sides
Substituting:

Answer:
Option D
Answer:
-5/2
Step-by-step explanation: