I think the answer is 21 (I don’t know the units)
Just subsitute 8 for n
1/2(8)^2-1/2(8)
1/2(64)-4
32-4
28
D
Answer:
8x + 8
Step-by-step explanation:
you have to distribute the 8 to everything inside the parentheses
8 times x
8 times 1
8x + 8
Step-by-step explanation:
if b+c=0
b=-c
x^b=x^-c
so
1/[2(x^b)+1]
The median is 18.
Hope this helped!