Hey there! 
a = 5 ; b = 2
Option A.
a + b
= 5 + 2
= 7
Option B. 
a - b 
= 5 - 2
= 3
Option C. 
2a + 3b
= 2(5) + 3(2)
= 10 + 6
= 16
Option D. 
5a - b
= 5(5) - 2
= 25 - 2
= 23
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)
 
        
             
        
        
        
Answer:
1
Step-by-step explanation:
(1/2)(2/1)=2/2=1
 
        
                    
             
        
        
        
Answer: C Hope it's helpful
 
        
             
        
        
        
A circle doesnt have a sides so 0
        
                    
             
        
        
        
Answer:
10 minutes
Step-by-step explanation:
5/6 of an hours is 50 min. Assume x is the time she spends on each skill.
5x=50
x=10