Write the conjugates of them then FOIL both the top and bottom, then factor
        
                    
             
        
        
        
Answer:
2640 cubes
Step-by-step explanation:
20 cm x 12 cm x 11 cm = 2640 cm^3
 
        
             
        
        
        
Answer:
The first one is C
Step-by-step explanation:
The ramp is equal to 180
180-6 = 174
 
        
             
        
        
        
Answer:
144
Step-by-step explanation:
angle A + angle B = 180 (supplementary angle)
A = 4B
4b+b=180
5b=180
Divide 5 on both sides to get b=36
180-36= measure of angle A
180-36=144
 
        
             
        
        
        
Answer:
they are equal
Step-by-step explanation:
3/4 can be converted it 6/8 by multiplying both denominator and nominator by two