Answer:
C.
Step-by-step explanation:
At least means greater than or equal to.
I think second must b the answee
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: There are 32 students who like brussels sprouts but dislike beans.
Step-by-step explanation:
Since we have given that
Number of students eat in the cafeteria = 120
Fraction dislike lime beans = 
Fraction who dislike lime beans and brussles sprouts both = 
Fraction who dislikes lime beans but not brussles is given by

So, Number of students who like brussels sprouts but dislike lima beans is given by

Hence, there are 32 students who like brussels sprouts but dislike beans.