The answer is D. a1=2 an=an-1+3
4 is the correct answer i believe! :) sorry if wrong.
please put brainliest!
We could do it by first writing

so that

and since
, we have

# # #
Alternatively, we can just compute the product and take it mod 4:

and so we get the same result of 1.
2/5 divide -3/10 can be rewritten as 2/5 * - 10/3. Which is -20/15 = -4/3 = -1 1/3
Option D:

Explanation:
Given data:
The points are (–1, –1) and (19, 20).
<u>To find the distance between two points:</u>

Distance formula:



Hence option D is the correct answer.