Answer:
2i and -2i
Step-by-step explanation:
I'll change u to x to be easier to understand.
x^2 = -4
sqrt(x^2) = sqrt(-4)
sqrt(-4) = 2i, or -2i
Answer:
C
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
=
= 
Thus the ratio of Δ EFG to Δ LMN = 2 : 1 → C
Answer:
What?
Step-by-step explanation:
I would say 6 hours but i don’t think it is, sorry this one is a real tricky one