A. think of polynomials as a system. for each of the following operations, determine whether the system is closed under the operation. in each case, explain why it is closed or provide an example showing that it isn’ 1. addition 2. subtraction 3. multiplication 4. division

We can measure temperature in two different common units: degrees celsius and degrees fahrenheit. the variable f represents the temperature in degrees fahrenheit that is equivalent to c, the temperature in degrees celsius. f=32+1.8c what is the temperature increase in degrees fahrenheit that is equivalent to a temperature increase of 10 degrees celsius?