Can anyone solve this?

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.

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Given abcd ac=38 and ae=3x+4 find the value of x