Answer:
ALOT
Step-by-step explanation:
 
        
             
        
        
        
Answer:
8m(4+7p)
Step-by-step explanation:
 
        
             
        
        
        
C. Because complementary angles are two angles whose sum equals 90 degrees so do 90-40=50 then 50x2= 100
        
             
        
        
        
1. If you have 1 first then... 1,2,3,4 - 1,3,2,4 - 1,2,4,3 - 1,3,4,2 - 1,4,3,2 - 1,4,2,3
2. If you have 2 first the.... 2,1,3,4,- 2,1,4,3 - 2,3,1,4 - 2,3,4,1 - 2,4,3,1- 2,4,1,3
3. And so one with 3,4
Hope this helps:)