Answer:4
Step-by-step explanation:
but they said it would have toend
Remove unnecessary parenthesis, and combine like terms
(3+i) + (5-2i)
3+i + 5-2i
8+i
you added 3+5 which is 5 and i-2i which is "i"
hope this helps.
Answer:
180
Step-by-step explanation:
to find the side of the smaller triangle you do 
x 
and get 3600. Then do
and get 60. Since the larger triangle is 3 times that size you do 3 x 60 and get 180.
Answer:
ok I can't do it, but maybe someone else will help you
