Ill give u brainlest pls help set up the following addition using a vertical format and find the sum of the given polynomials.

3x2 + 2x - 5 and -4 + 7x2

10 x2 + 2 x - 9
- x2 + 9 x - 9
21 x2 + 2 x + 20
10 x2 - 5 x - 1

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

Adeposit of 5500 at 6% for 3 years equals

Ahealth-food producer has 250 samples of a new snack to distribute in the mall. the producer has to keep at least 50 samples for display in the health food for the product launch. how long will the samples last if consumers are taking the samples at a rate of 25 every hour