I need this answered

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.