Using the top–down method, please describe an algorithm for a program to solve the real roots of a quadratic equationax2 + bx + c = 0Your algorithm should ask the user for the coefficients. To calculate the roots of the equation, Your algorithm should calculate the discriminant D given by D = b2 – 4ac. If D > 0, the algorithm displays a message: The equation has two roots and then displays the roots. If D = 0, the algorithm displays a message: The equation has one root, and then displays the root. If D < 0, the algorithm displays a message: The equation has no real roots. Create a flowchart for your algorithm.

Acommercial grade cubical freezer, 4 m on a side, has a composite wall consisting of an exterior sheet of 5.0-mm thick plain carbon steel (kst= 60.5 w/m k), an intermediate layer of 100-mm thick polyurethane insulation (kins 0.02 w/m k), and an inner sheet of 5.0- mm thick aluminium alloy (kal polyurethane insulation and both metallic sheets are each characterized by a thermal contact resistance of r 2.5 x 104 m2 k/w. (a) what is the steady-state cooling load that must be maintained by the refrigerator under conditions for which the outer and inner surface temperatures are 25°c and -5°c, respectively? (b) for power saving purpose, which wall material should be increased/reduced in. thickness in order to reduce 50% of the cooling load found in part (a)? redesign the thickness of the proposed material. 177 w/m-k). adhesive interfaces between the q=575.93 w