Answer:
12
Step-by-step explanation:
4y - 2x
= 4(7) - 2(8)
= 28 - 16
= 12
Answer:
an = 63(-1/3)^(n-1)
Step-by-step explanation:
This is a geometric sequence with first term 63 and common ratio -1/3.
The equation for the nth term is
an = 63(-1/3)^(n-1).
If you simplify this expression you get 2x 2 -7x -2
Answer:
I think it's the last one. Sorry if I'm wrong
Answer:
the second one
Step-by-step explanation:
cant be negative cuz if its negative the first line doesnt apply.
