Hello!
The sum of all angle measures in a heptagon in 900°. We will subtract all of these angles from 900 to find our answer.
900-146-122-142-140-110-142=98
x=98°
I hope this helps!
Fourth one i think (the way u typed the q is confusing)
33-23=10. 10+23=33. 23-10=13
the numbers are 23 and 10