Answer:
78
Step-by-step explanation:
Formula is already provided
2pir
2×3×13
Answer:
hodrvyeieiwb was the only one to win a lot
The slope is 1 :)
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Answer:
45
Step-by-step explanation:
Let the first term be a and the common difference be d.
So -18=4a+6d and -9=6a+15d. Solving this we get a=-9 and d=3.
So the sum of first 10 terms is 5*(2*(-9)+9*(3))=45
If you divide.40 into 9 you will get 22.5 which is your answer
