A squared plus B squared equals C squared, so what you need to do it square 5 and 7.
5 = 25
7 = 48
Then add then and square root your answer. 48 + 25 = 73. 73 square rooted equals an rounded amount of 8.6. SO the answer is D
Let the amount of chocolate bars each child receives be x
X= 30/12
X=5/2
Let say c represents for collar
Let e represents for embellishment
5c+2c <= to 1000.
I can’t help you with number 16. Sorry
-3 times -3=9
9-(-3)=9+3
9+3=12
Hope this helps and please give brainliest!
