are flamingos cool please please answer i need to know if flamingos are cool so i can decide if i want one as a pet

Can someone me and do the problem plz so i can understand it more better

Which representation has a constant of variation of -2.5

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes