Angle cbd has a measure of 140°. what is the measure of angle abd?

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.

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).