-Solve..??-

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

How would you find the height of points on the circle? the topic is trigonometry.