Is 2/8 less or better than 4/10 in fractions

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.

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?