7 Retail purchases in Orleans parish are taxed at 54. In addition to state sales tax of 4 45%. Writo statements to input the amount of a purchase, calculate and output the total sales tax and the total amount due. LA good rule of thumb is to spend 2-3 hours each week outside of class for every credit hour of a course. For example, for a 4 credit hour course is recommended to spend 8 to 12 hours a week studying that subject outside of class. input the number of credit hours in your schedule and output the recommended range of hours to spend studying 9. The formula to convert temperature from Fahrenheit to Celsius is C-5/9 (32) input the current temperature in Farvenheit. Output the equivalent Celsius temperature 10. Galleo showed that only the height of an object determines how much time it takes to fail to the ground. The formula to compute the time, in seconds, for an object to fall from heighth is 2 were meaturine distance in meters, then we use 9.8 as the gravitational constante in the formula), input the height in meters. then output the time in seconds for an object to fall from that he