Answer:
one is for structure, two is for being able to move around, and three is to cover joints or sum like that
Step-by-step explanation:
Answer:

Step-by-step explanation:
We are given quadratic equations as

and it can be factored as

now, we can multiply factor term

now, we can compare

so, we get


we are given that
'a' and 'b' are integers
so, we can find all possible factors


so, we can find k
At
:

we can plug values


At
:

we can plug values


At
:

we can plug values


At
:

we can plug values


So, values of k are

Answer:
the answer would be D because meadian is what in the middle