Solve for the value of z in the indices 5z=80z*-1/3

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

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.