how many photos does she have?
Answer:
3
Step-by-step explanation:
To find the common ratio, take the second term and divide by the first term
9/3 = 3
The common ratio is 3
Answer:
The first term is 14.
Step-by-step explanation:
The general formula for this kind of sequence (arithmetic) is a(n) = a(1) + (n-1)c, where c is the common difference. Here, we have a(6) = -1 = a(1) + (6-1)(-3), or -1 +15 = a(1). The first term is 14.
The square footage without the door and the window is 246