(x+2)(x+6)=0
in the problem shown, to conclude that x + 2 = 0 or x + 6 = 0, one must use the:
1. multiplication property
2. division property
3. zero product property
4. transitive property

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)