Sales taxdesign a hierarchy chart or flowchart for a program that calculates the total of a retail sale. the program should ask the user for:
(a) the retail price of the item being purchased
(b) the sales tax rate
once these items have been entered, the program should calculate and display:
(a) the sales tax for the purchase
(b) the total of the sale

What precautions should you take to prevent injuries when dealing with heavy loads?

Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.

Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.