Answer:
i think id you put the options it would be easier to answer
Step-by-step explanation:
Triangle's angles add to 180:
99 + 3x + x + 5 = 180
4x = 74
x = 18.5
It is -15 = c
if I am wrong please tell me
You would get something like this. This is because with the first kid, they can get either Heads or Tails, two possibilities.
After this, the second kid can also cause either Heads or Tails but they are building on what the first kid had already done, so four possibilities.
Thsi keeps on multiplying on and on by 2 the more kids who flip a coin.