Answer:
an = 4n +5
Step-by-step explanation:
First we need to find a common difference
d = a2-a1 = 13-9 = 4
The formula for an
an =a1+d(n-1)
an = 9 + 4(n-1)
Distributing
an = 9+4n-4
Combine like terms
an = 4n +5
Answer:the first one
Step-by-step explanation: rise over run
Solve for p by simplifying both sides of the equation, then isolating the variable.
p=6

5600 is 100 times larger than 56