Answer:
c.
Step-by-step explanation:
B
use your head
78
10% = 6
⬇️ x3
30% = 18
⬇️ Add onto 60
60+18=78
Any line with a slope of -1/9 will be parallel
I think its x^2(18x^2 -9+4x) sorry if I’m wrong
I don't know if anyone know say him answer
