Answer: 1000$
Step-by-step explanation:
M5: <u>50,55,60,65,70,75,80,85,90,95</u>
M5 П M10: <u>50,60,70,80,90</u>
M5 П M10 П M8: <u>80</u>
<em>Answer:80</em>
Answer:

Step-by-step explanation:
The nth term of an arithmetic sequence is given by the formula,

We were given that the 9th term is
.





The sum of the first n-terms is given by the formula,

To find
, we substitute
,
and
.





The correct answer is D
Well first, you need to solve within the parentheses. You would get 23.8 - 14 - 8.6
Then you would subtract them in order, and your answer would be 1.2
What exactly are you finding