Does anyone one know how you do this like the formula for this? Since its integers and I’m having a hard time understanding it

Compare the cost of the bike trips from the two companies shown. for both the cost in a linear function of the number of days which statements is true

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?