So i drew 12 circles and 37 circles
And i got 49 total:D
i hope this helps and sorry that the pic is wierd:(
Answer: i think is A or B
Step-by-step explanation:

Answer:
Total is $73.43
Step-by-step explanation:
$35.95 + $25.98 + $11.50 = $73.43
Answer:
b
Step-by-step explanation:
because there only allowing the first 50 to register that would be a contest
I agree only if you have even powers -- even negative ones.
1/i^2 = 1/-1 = - 1
i^0 also gives 1 So far no problem.
It is when you consider the odd numbers that you don't get 1 or -1
You get either -i or i
i^(4n + 1) = i
i^(4n - 1) = -i