We will count number of squares
first term is 4
so, 
second term is 7
so, 
third term is 10
so, 
We can see that this sequence is in arithematic sequence
we can use nth term formula

where
an is nth terms
a1 is first term
d is common difference
n is total number of terms

now, we can plug values
and we get



.................Answer
Answer:
Hi, can you please answer mine too I really need the answer because I have to pass it tomorrow morning at my 1st class:(I'll mark you as the BRAINLIEST also I hope you can help me:)
Step-by-step explanation:
about your question I'll just put it in the comment section:)