Wait is it not at all 14.5 or 14 1/2 Because with the math I did I got 14 1/2 
 
        
             
        
        
        
A two-dimensional shape has length and width. A three-dimensional solid shape also has depth. Three-dimensional shapes, by their nature, have an inside and an outside, separated by a surface. All physical items, things you can touch, are three-dimensional.
 
        
             
        
        
        
The answer should be $21,840.50
Explanation:
20000*1.045=a (first year)
a*1.045=b (second year)
b = 21840.5
        
             
        
        
        
Hello,
Answer A
(3x-4)²-(x+7+x²+2)=9x²-24x+16-x-x²-9
=8x²-25x+7