I assume c, because usually to get to the opposite you reflect the line or figure on the x axis
Its C! Hope this helps and can you mark me as brainliest :))
2, 3, 5, 7, 11, 13, 17, 19, 23
there are 9 prime numbers between 0 and 25
5. -6a-48
6. 36x+4
7. 30n+40
8. 1.8m+2
Yess