You answered correctly for part a. just simplify it. so for part a it would be x^4 + 8x^3 + 24x^2 + 32x + 16. repeat what you did in part a with part b (add & simplify). btw, the missing side in part c is 2x-x = x
77 - 2 = 75
75 ÷ 5 = 15
The number is 15.
Hope this helped!
Answer:
G: 98.96017
Step-by-step explanation:
Kus math
V=πr2h=π·32·3.5≈98.96017
ANSWER
{},{1}
EXPLANATION
The given set has one element. So it has

subsets.
These are,
{} and {1}.
That is, the null set and the set itself.
Remember that, the null set is a subset of every set and every set is a subset of itself.