Write a formula for the general term (the nth term) of the arithmetic sequence shown below. do not use a recursion formula. then use the formula for an to find a20, the 20th term of the sequence.
a1 = -13, d = -5

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

Read the excerpt from gilgamesh: a new english version.gilgamesh backed away. he said,"how dreadful humbaba's face has become! it is changing into a thousand nightmarefaces, more horrible than i can bear.i feel haunted. i am too afraid to go on." §enkidu answered, "why, dear friend,do you speak like a coward? what you just saidis unworthy of you. it grieves my heartwe must not hesitate or retreat."

The ordered pair (2,-5.2) is located in quadrant iv