HEL NO If you are trying to conduct an experiment by taking a random sample of teachers, which of the groups below should NOT be included in your sample? Select all that apply. A) Math teachers at your school B) 8th graders C) Retired mailmen D) Office Workers

A,C and D shouldn't be in your sample...also are those your ONLY options?

Step-by-step explanation:

33

step-by-step explanation: g=6

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for