170 is the correct answer.
Hope this helps.
Answer:

Step-by-step explanation:
Given

Required
Determine the formula
First, we need to solve common difference (d)

Take n as 2



Represent each function as a sum of the previous





Represent the function as 

Reorder

Answer:
(1+11-5+7)/6 => 14/6 => 7/3
Answer:
<h3>The answer is option B</h3>
Step-by-step explanation:
The nth term of the sequence is
A(n) = 5n + 7
To find the (n+1)st term substitute n+1 into the general equation
That's
<u>For (n + 1)st term</u>
A(n+1) = 5(n+ 1) + 7
A(n+1) = 5n + 5 + 7
<h3>A(n+1) = 5n + 12</h3>
Hope this helps you
How many times do 15 minutes fit into one hour? 4 times: 4*15=60 mins.
So that means that 4 times per hour 10 flights appear, and in total 4*10=40 planes arrive over one hour!