Answer:
D
Step-by-step explanation:
A does not work, because you stop on the way to the meeting (which you don't)
B does not work, because you speed up on the way to the meeting, when in reality you slow down
C does not work, because it does not show that you went back home or changed speed at all
D is correct!
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
Answer:
o.6
Step-by-step explanation:
<h2>
<u>Refer</u><u> this</u><u> attachment</u></h2>
<u>Hope</u><u> it's</u><u> help</u><u> you</u>
Answer:
15
Step-by-step explanation:
3(9)=27
27-12=15
