Answer:
C: one triangle 
Step-by-step explanation:
well a triangle = 180°
45+45=90
90+90=180
 
        
                    
             
        
        
        
Answer:
The terms are 9, 4, 3b and 7a.
The terms are 9 – 4 and 3b + 7a.
The terms are 9, -4, 3b, and 7a.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The factored form of x^3 -1 will be:

Step-by-step explanation:
Given the expression

Rewrite 1 as 1³



             
Thus, the factored form of x^3 -1 will be:

 
        
             
        
        
        
Use proportion to solve this.
240 miles needs 9 gallons
216 miles needs (9÷240) × 216 = 8.1 gallons
Hope it helped!
        
                    
             
        
        
        
Answer:
he's going 77mph and then 2069 meters per hour.