Answer:
1/2d+c^2-b = 21
Step-by-st ep explanation:
= 1/2(10) + 5^2 -9
= 5 + 25 - 9
= 30 - 9
= 21
-48 plugging in everything and using PEMDAS it should be -48
The answer is -28
(sorry if i get this wrong)
The lowest number is 2/1 or 2.
reduce 8/4 to 4/2 which can be reduced to 2/1
The sum of interior angles of a polygon with n sides is 180*(n-2)
Therefore, for this question,
n=70
the sum of interior angles=180*(70-2)=180*68=12240 degree
Pls mark me as the Brainliest as I really need it!