The answer should be B and A
Step-by-step explanation:
1snack pack cost 1.6dollars($0. 6+$1)
10snack pack cost 16dollars.
($0. 6+$1)×10 =/ unequal $9

From there we can see that because x equals both to a and b, it must be that a = b.
<h2>
Explanation:</h2>
Here we have the following expression:

So we need to extend this. Remember that the difference of squares tells us:

So here:

Thus:

Answer:
3' 10'' if I'm not mistaken.
Step-by-step explanation:
5 feet subtracted by 1 foot is 4 feet, 6 inches subtracted by 8 inches sets us back a foot and leaves 10 inches on the previous foot.