Answer:
3x^2 +x -3
Step-by-step explanation:
f(x)= 3 and g(x) = 3x^2+x-6
f+g (x) = 3+ 3x^2+x-6
Combine like terms
= 3x^2 +x -3
10/25 or 2/5
36 -81.9 - 45.9 I keep getting -45.9
26 snack packs
2.83+5.18=8.01
8.01/.30=26.7