<u>Answer:</u>
The correct answer option is B. ![S _ n = a _ 1 [ \frac { 1 - r ^ n } { 1 - r } ]](https://tex.z-dn.net/?f=%20S%20_%20n%20%3D%20a%20_%201%20%5B%20%5Cfrac%20%7B%201%20-%20r%20%5E%20n%20%7D%20%7B%201%20-%20r%20%7D%20%5D%20)
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<u>Step-by-step explanation:</u>
The following is the formula that is used to find the sum of a geometric progession:
where 
is the sum, 
is the first term, 
is the common ratio while 
is the number of terms.
Answer:
Y= 1.5x
Step-by-step explanation:
What you would do is divide all of the minutes by the amount of pages to find how long for each rate for one page. (ex. 18/12, Michael reads 1 page in 1.5 minutes. 12/8, Michael reads 1 page in 1.5 minutes. 30/20, Michael reads one page in 1.5 minutes) Therefore, yes it is proportional, and the equation is y=1.5x (there is no y intercept)
I hope this will help
Answer:
3r+5
Step-by-step explanation:
Since -5r and 8r both have r in them, we can combine them and the expression looks like:
3r+5
Which is our answer.
Answer:
The awnser for that is -2, my friend
Answer:
I think it's B because I think there can only be one outlier. idk for sure but I think i remember learning that
Step-by-step explanation:
