Write a program that will ask the user to enter an integer number and display the message ‘ Prime ‘ for prime number, ‘ is not Prime ‘ for not prime number

Write a program that calculate electricity bill. The program prompts the user to enter the amount of KWh units of electricity consumed, the task is to calculate the electricity bill total with the help of the below charges: • 1 to 50 units of total units - Unit price=10 • 50 to 100 units of total units - Unit price=15 • above 100 units - Unit price=20 Sample Runl: Enter the amount of KWh units U: 250 Total Bill: 4250 Explanation: Charge for the first 50 units - 10 50 500 Charge for the 50 to 100 units - 15 50 - 750 Charge for the 100 to 250 units - 20*150 - 3000 Sample Run2: Enter the amount of KWh units U: 95 Total Bill: 1175 Explanation: Charge for the first 100 units - 10*50 - 500 Charge for the 50 to 100 units - 15 45 675

Given an airplane's acceleration and take-off speed v, you can compute the minimum runway length needed for an airplane to take off using the following formula. length=v^2/2*a. write a program that prompts the user to enter V in meters and acceleration an in meter/second and display the minimum runway length.