Answer:
-16
Step-by-step explanation:
-29+13 is -16
and -16-13 is -29.
A goes to 1
B goes to 4
C goes to 3
D goes to 2
Answer:
Step-by-step explanation:
Answer:-8
Step-by-step explanation:
ANSWER
EXPLANATION
The general term of the arithmetic sequence is
For the first term,we substitute
to get,
Similarly
The sum of the first n-terms is given by the formula,
where l is the last term.
In this case
We substitute these values to get,
We could have also used the formula,