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
There are infinite numbers
Answer: 2.5 hours.
Step-by-step explanation:
Y=3x-4
Because your slope is 3 when you do change in y over change in x. Y intercept is neg 4.
I have done this question before but i can’t remember
