Their were exactly 31 shuttles made and i know this because my dad works at NASA.
Answer:
The solution is 15
Explanation:
If you have 2 apples and you add 2 more, you got 4 apples. Then, you add 3 more and when you count you have 7 apples. On those 7 apples, you add more and when you summarize it, in the end, you have 15 apples. This is one of the mathematical operations that is called addition. All of the mathematical operations are: <em><u>addition, subtraction, multiplication, division, exponentiation, and grouping</u></em>
C. More than half of all the votes in the electoral college.
