A250 ml bottle of water treatment liquid will treat up to 625 litres of water. given that 1 cubic meter=1000 litres, how much treatment liquid is needed to treat a water tank of 2, 240 litres when full many

Which equation matches the graph shown ?

Can someone me and plz do the problem

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old