Answer:

Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
1. You have the following perfect square trinomial given in the problem:

2. To fill the missing term, you must divide the coefficient -16 by 2 and then you must square it, as following:

14:3 can be written as 14/3...and this does not simplify
profit, p = 6 × $50 = $300
losses, l = 120 + 30 + 200 = $350
overall = p - l = -$50
loss of $50
15 cookies burned because if you Turn

into a decimal then multiply it by 20 you get 15 and thats your answer.