Answer:
2^4
Step-by-step explanation:
there are four 2's being multiplied to each other.
You can combine them and say 2 x 2 x 2 x 2 = 2 ^4
 
        
                    
             
        
        
        
Answer: 5 hrs
 hrs
<u>Explanation:</u>
Jasper:  per hr
 per hr
Yolanda:  per hr
 per hr
Together:  per hr
 per hr
Jasper + Yolanda = Together
 +
 +  =
 = 
 +
 +  =
 = 
3x + 21 = 7x
         21 = 4x
          = x
 = x
          
                                                                                                 
 
        
                    
             
        
        
        
Answer:
(2,21)
Step-by-step explanation:
y = 10.5x
plug 2 for x  in the equation 
y = 10.5(2)
then multiply 2 by 10.5
y=21