Answer:
The second batch 
Step-by-step explanation:
 
        
             
        
        
        
B. Isosceles.  that is the correct answer
        
             
        
        
        
16 degrees would be the maximum because it was the hottest temperature recorded.
        
             
        
        
        
Step-by-step explanation:
EF = 4x - 15
FG = 3x - 7
EG = EF + FG = 20
so,
4x - 15 + 3x - 7 = 20
7x - 22 = 20
7x = 42
x = 6
EF = 4×6 - 15 = 9
FG = 3×6 - 7 = 11
 
        
             
        
        
        
Answer:
Type of exercise 
Step-by-step explanation: