Answer:
To be honest dont know
Step-by-step explanation:
2+2=Fish
Answer: 78
because 22 x 2 equals 44 so 39 x 2 equal 78
78:44=39:22
45 cm
2i and -2i
I'll change u to x to be easier to understand.
x^2 = -4
sqrt(x^2) = sqrt(-4)
sqrt(-4) = 2i, or -2i
