Well, since a is Susan’s current age, we would add three to a to get her age in three years
So our expression would be:
a + 3
        
                    
             
        
        
        
Answer:
The first one. Brainly is also in spanish
 
        
             
        
        
        
Answer: x=16
Step-by-step explanation:
For this problem, we can set a proportion to find the side length of the smaller rectangle.
 [cross multiply]
                                     [cross multiply]
 [divide both sides by 15]
                                 [divide both sides by 15]
x=16
 
        
             
        
        
        
Answer:
17 square yards
Step-by-step explanation:
split it so you have a big rectangle and a small one. find the areas of both
the big one was 5(3)= 15, the second was 1(2)=2. add those together.