Answer:
300L per hour
Step-by-step explanation:
The rate of change of volume of blood pumped by the teenager's heart expresses the volume of blood pumped with respect to hour.
Rate of change of volume of blood = 
                            = 
                            = 300L/hour
The rate of change of volume of blood by the teenager's heart is 300 litres per hour. This implies that his/ her heart pumps 300 litres of blood every hour.
 
        
             
        
        
        
Letter “A” to the tenth power
        
             
        
        
        
Ashleigh rode her bicycle about 6 miles in 1 hour 
        
             
        
        
        
Answer:
There are no values of  p  that make the equation true.
(No solution)
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
c: car b was 10 miles east of car a
Step-by-step explanation: