Identify the coefficient (s) of the variable in the expression below

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.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.