Hey help me with some math by zoom. free tutoring yeah?

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.

Match each inequality to the number line that represents its solution

Write the equations in logarithmic form 9^4=6,561