Iam confused on #7, can any smart people out there that understand math me?

The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.

Which of the following parabolas opens down?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.