Answer:
A. would be correct
Step-by-step explanation:
if 1 package is $8 and 2 packages cost $16
the ratio would be $8:1 so the unit rate would be $8 per package
10k^4+10k^3+8k^2+8k+10/k+1 not sure if this is what you are looking for or not hope it helps
First do parenthesis the multiplication then add
9+15=24*3=72+2=74 :)hope this helps
I need a lil more information