Answer:
1) A
2) B
Explanation:
1) Zoe payed a total of $77.49
$4.99 shipping fee + 14.50(n) scarves = $77.49
4.99 + 14.50n = 77.49
A
2)
2 electrons, each have a (-1) charge
2 protons, each have a (+1) charge
-1 - 1 + 1 + 1
-2 + 2
0
B
Hope this helps :)