E. None of the above. -16b = 3, divide both sides by -16, b = -3/16
        
             
        
        
        
Where’s the data?................
        
             
        
        
        
Answer:
11/2
Step-by-step explanation:
The semi-major axis is 1/2 of the major axis, a, so a = 11/2.
 
        
                    
             
        
        
        
1 hour = 60 minutes/300 minutes   (set up a ratio problem)
5 hours
        
                    
             
        
        
        
ANSWER: D.180
EXPLANATION:  A straight angle is 180 degrees
A straight angle changes the direction to point the opposite way. Sometimes people say "You did a complete 180 on that!" ... meaning you completely changed your mind, idea or direction.