The increase in children living with grandparents is a result of increase

it either due to death of parents or to help parents with busy schedules and are not always available

Explanation:from research to prevent children from going to fosters home in case of death of parents, grandparents usually wants their grandchildren closer to them so end taking responsible of keeping the kids with them. It this same in the case if the parents are never round all to busy the children end up being with the grandparents who at most love their company

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

hope this !

c- companies fail to take environmental protection into account. i think