Step-by-step explanation:
Rate of drop of temperature = Change in temperature/Rate
=> (165 - 135)/15
=> 30/15
=> 2 ⁰F/min
Now, The time at which the temperature of will be 70⁰F = 70/Rate
=> 70/2
=> 35 min
Time for 110⁰ F
=> 110/2
=> 55 min
Commutative, because no matter how you group the equation you will still get to same answer
Both are 2! 2x2=4 4x2=8 so 8+4=12
Answer: the compliment is 19° (90-71=19). the supplement is 109° (180-71=109)
