How is adding two negative fractions like adding two positive fractions, and how is it different?

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.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

What describes horizontal cross section of the right rectangle 6m 8m 5m