ILL GIVE BRAINIEST PLEASE ANSWER THANKS

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75

Asalsa recipe uses green pepper, onion, and tomato in the extended ratio 3: 5: 7. how many cups of tomato are needed to make 105 cups of salsa? a. 7 b. 21 c. 35 d. 49