437-456-513-650-893-954-1018-1038-1117-1465
Answer: The answer is 85 (D)
Step-by-step explanation:
Answer:
<h3>
first term: <u>
a₁ = 14</u></h3><h3>
the common difference: <u>
d = -3</u></h3>
Step-by-step explanation:
The sum of the 3rd and 8th term is:

The sum of the first seven terms is 35:


Answer:
.
Step-by-step explanation: