I believe it's 9x2-12x+4 but I'm not quite sure cause we haven't yet gone over this in class.
My friend also believes it is this (she's in a higher level math grade than me). I'm so sorry this isn't more helpful.
Answer:
n = 4.5
Step-by-step explanation:
1 n
------= ------------
2 9
using cross products
1 * 9 = 2 * n
divide each side by 2
9/2 = 2n/2
9/2 = n
n = 4.5
Formula= 4/3(3.14)r^3
4/3(3.14)(70)^3
4/3(3.14)(343,000)
4/3(1,077,566.28)
=1,436,755.04
Answer:b
Step-by-step explanation:
I said so