Answer:
Given that x=5, when we substitute in 5 for 2x + 3 = 13, the equation will turn out to be true.
Step-by-step explanation:
2x + 3 = 13       x=5
2(5)+3=13
10+3=13
13=13
 
        
                    
             
        
        
        
At the end of each year, the amount is (1 + 11%) = 1.11 times the amount at the beginning of the year. When that multiplier is applied 5 times, the result is
  $30 * 1.11^5 ≈ $50.55
        
             
        
        
        
Answer:
easy-peasy
Step-by-step explanation:
Perimeter: 
P=2(a+b)
P=2(50+70)
P=2(120
P=240
Area:
A=50*70
A=3,500
I really hope it helped:)