Answer:
B)60m^2
Step-by-step explanation:
The area of the rectangle is 40m^2 and the area of the triangle is 20m^2. So 40+20 is 60.
 
        
             
        
        
        
4/5 is the answer unless you need it in decimal
        
                    
             
        
        
        
Answer: E. :)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1. -8x² - 16x - 6      a = -8, b = -16, c = -6
1. 4x² - 1                  a = 4, b = 0, c = -1
Step-by-step explanation:
use the 'foil' method:
(4x + 2)(-2x - 3)
F: -8x²     O: -12x       I: -4x       L: -6
-8x² - 16x - 6
(2x + 1)(2x - 1)
F: 4x²     O: -2x       I: 2x       L: -1
4x² - 1