this formula, doesn't rely on a product, relies on a "sum", or is namely an arithmetic sequence, aₙ₋₁ -3 is another way of saying, the value of the previous term minus 3, so it relies on the ordinal value of a term, so is an recursive formula, well, let's get it when n = 4.

Answer:
Hope this helps.
Step-by-step explanation:
So for ASA, the two triangles have to have two angles congruent, and in the middle of those angles, they have to have a line that's congruent.
For SAS, the two triangles have to have two lines congruent, and in the middle of those lines, they have to have an angle that's congruent.
For AAS, the two triangles have to have two angles congruent, but the line that's congruent has to be on the side, not in the middle.
Answer:
20 + 0i
Step-by-step explanation:
(10 + 5i) + (10 - 5i) = 20 + 0i
Answer:
8 N + 2
Step-by-step explanation:
==> 8 N + 2
-----------_________-------------
685-85=600
1 year =12 months
12 multiply by 2 =24
600 divided by 24=25
answer=25