You would do 45 divided by 9 which is 5. Then you do 5x7= 35 and that's your answer
        
             
        
        
        
3. straight line
8.obtuse
12.acute
        
             
        
        
        
Answer:
1.5
Step-by-step explanation:
a+8=b+5
a+3=b
b=1.5
 
        
                    
             
        
        
        
Answer: -2x+14
Step-by-step explanation: use the distributive property. -2 times x and -2 times -7. -2x+14
 
        
                    
             
        
        
        
He started out with 19.1 gallons because if you add 5.8 and 12.4 you get 19.1