Answer:

Step-by-step explanation:
Quadratic formula: 


Hope this helps and God bless!
Answer:
8 arrangement
Step-by-step explanation:
2 white balloons and 3 red balloons for every arrangement
The answer is Commutative Property.
3: -27
4: 81
5: -243
All you need to do is plug in the numbers into the exponent spot.