Arithmetic Sequences Assessment an = a1 + (n − 1)d
Find the 32nd term of the arithmetic sequence 32, 29, 26, 23, ...
-55
-61
064
63

a1=32,n=32,d=29-32=-3

a32=32+(32-1)×-3=32+31×-3=32-93=-61

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative