The y values need to be on the top so it would be -2-8 over -4-3 so the answer would be 10/7
Answer:
12
Step-by-step explanation:
17 + (-5) =
17 - 5 = 12
This the explanation
<span>17 protons and 20 neutrons add up to a molecular mass of 37</span>
1. its 23, because if you were to substitute 5 for x, 7(5) = 35 and if you were to substitute -3 for y, 4(-3) = -12. Therefore, 35 + -12 = 23.