8-(8+48) = -48 then divide that by 8 and you get -6 as your result
So D would be going up because it is positive. It is going up 10ft, once again cause the integer is a positive 10. Now E will be going down because it is a negative. Therefore it will go down 15ft for the reason being the integer is negative 15. Hope this helps.
Answer:

This is assuming the die is from 1 - 5
Step-by-step explanation:
Tails: 0.5
Vowel: 
Even number: 

If the problem was written x + 4x. We would know to add like the coefficients together and get 5x same thing with the radicals.