I wrote the answers in the pictures...
Answer:
2
Step-by-step explanation:
one bounce=10
2 bounce=5
it halves each time
I can conclude that the sign of the other integer is positive and that the other integer is 6 or greater.
I tried explaining it, but failed miserably. I'm so sorry! :(
1. The surface area of a cone S is S=

, where r is the radius of the base and l is the slant height.
2. The slant height l is found as follows:



3.


4. The answer is C