Who ever can answer all of these, please do so, my assignment is due tonight at 11:59PM, pretty much midnight, so please help, NOW!!!

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?