Answer:
is in quadrant II
Step-by-step explanation:
Given
and 
Required
Where is 
and
imply that
is in quadrant II
Because that is only quadrant where
and
exist.
Answer:
9.22
Step-by-step explanation:
6x6 + 7x7 = c^2
36 + 49 = c^2
85 = c^2
c = √85
c = 9.22
Answer F(a)= -23 !!!!!!!!!