Answer:
okay let's start
Step-by-step explanation:

 
        
             
        
        
        
Answer:
-2.5 degrees
Step-by-step explanation:
The temperature decreased 18.5 degrees F in 7.4 hours.
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-18.5/7.4 = -2.5 degrees F
The average change in temperature over the course of 7.4 hours is -2.5 degrees F.
Your welcome!
Kayden Kohl
8th Grade
 
        
             
        
        
        
<span>(3x + 5)(x - 3) = 3x</span>² - 9x + 5x - 15 = 3x² - 4x - 15
Answer: 3x² - 4x - 15