Answer:
a₃ = 9
Step-by-step explanation:
The numbers in the set are referred to as { a₁, a₂, a₃, ... }
Answer:
reactivity
reactivity
Step-by-step explanation:
Answer:

Step-by-step explanation:
we have

Simplify
Multiply the expression by 

Apply difference of squares in the denominator




The mean of the data is 8
Answer:
-13a
Step-by-step explanation: