Let
be the constant factor between terms, so that


and so on, with

(notice how the exponent and the subscript add to
)
Then

so if

then

Now,

so the third term in the sequence is 30.
Answer:
I'm not sure if your question was to find the number of girls, but if it was, here's the answer
Step-by-step explanation:
Total number of students= 572
number of boys= 5
So, number of girls= 572-5 =567 (ans)
$6662.50
4.75% = $237.50
$237.50 x 7 = $1662.50
$5000 + $1662.50 = $6662.50
Answer = $6,662.50
Answer:
4s
Step-by-step explanation:
You can just pretend it's like normal addition and subtraction but with s, so you do -2s - 4s + 10s = -6s + 10s = 4s.