Please help me , i have no idea what the answer is

So,

We see in Statement 3 that WY = WY.  This seems obvious, but it ensures that quantities don't change their values.  We call this property of something being equal to itself, the "reflexive property."

The correct answer is the third option.

idek

step-by-step explanation:

, 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