Scott has seven dogs if four of them are doberman how many are not doberman a) n-4=7 , b ) 7=n+4 , c) n-7=4 d) 4+7=n

The temperature of a chemical solution is originally 21 ? c . a chemist heats the solution at a constant rate, and the temperature of the solution 75 ? c after 1212 12 minutes of heating. the temperature, tt t , of the solution in ? c is a function of x , the heating time in minutes. write the function's formula.