Please help I’m a student and I’m struggling pretty badly

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?