If jimmy has 15 cookies and has 3 friends and wants to share how will he do it

If he includes himself then:

Split up the cookies into 4 equal parts.

3.75 cookies each if he includes himself.

If he does not include himself:

Split up the cookies into 3 equal parts

5 cookies each if he shares to his friends without including himself.

a 10 percent increase

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.