Answer:
21185
Step-by-step explanation:
A..
NOT YOU COMMENTING ON POST JUST TO GET POINTS....
20 tea bags
if 5 is 1 gallon then you do 5x4=20
d.405
135 x3=405
8x+7
(-3)²= 3²
(3²)⁴=9⁴
9⁴ is the answer
(edited)