477900 there you go use a calculator next time ;)
Answer:
-35
Step-by-step explanation:
PEMDAS
The tank fills to 16 gallons of water as a maximum. After that it would start overflowing.
The answer should be 103. Because the interior angles of all triangles add up to 180 degrees, you can just add together the two known interior angles; subtract them from 180; and then find the supplement.