R>-6
Please correct me if I’m wrong
Answer:


Step-by-step explanation:
Given : Let c represents the number of boxes of chocolate chip cookies and b represents the boxes for butter cookies.
Anna is selling boxes of chocolate chip cookies (c) for $6 each and boxes of peanut butter cookies (b) for $7 each.
i.e. Cost of 'c' chocolate chip cookies = 6c
Cost of b butter cookies = 7b
She must sell at least 30 boxes of cookies and at least $175 worth of cookies.
i.e. 

Thus , the system of inequalities models this situation :


The explanation is here. the rest of the questions must be do by yourself.
What do bones do?
1.) They help us keep our structure.
2.) They protect inner organs.
3.) They produce blood cells in bone marrow.
4.) They allow us to move.
5.) They store minerals and some fats.
I hope this helps!