Answer:
x=40 degrees
Step-by-step explanation:
there is 180 degrees in half a circle,and 180-100=80
and because there are 2 x values on either side you divide that 80 by 2 which gives you 40.
A exponent is the smaller number you will see sometimes on the top of a number or to the right of it but smaller than normal font
$25 a month :) (its too short so i hope you have a lovely day)
Step-by-step explanation:

I hope it makes sense
:)