What is the inverse function of a(b)=12•b+9/2

What expression is equivalent to 1/2(2+3x-6)

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

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)