Answer:
i think its a trick question
Step-by-step explanation:
theres no way theres a righr answer the 20$ on is always ahead
9/40 because when you put it in fraction form its 225/1000 then you simplify!
I don't understand what you want solved for here...could you please tell me?
Answer:

Step-by-step explanation:
Factor using the perfect square rule.
:)
Answer:
a=45
Step-by-step explanation:
tan a= 1
tan a= tan45
a=45