Add: (3x2 - 5x + 6) + (9 - 8x - 4x2) a) 12x2 - 13x + 2 b) 7x2 + 3x - 3 c) 7x2 - 13x + 15 d) -x2 - 3x + 15 e) -x2 - 13x + 15

.

Step-by-step explanation:

To add :

This can be re-written as :

Combine like terms as

Therefore,

Hence, the correct option is .

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!