Answer:
What's the purpose? ................
 
        
             
        
        
        
Answer:
Step-by-step explanation:
12x - 3 = 180 - (7x - 26) supplementary angles
19x = 209
    x = 11
m∠DEC = 12(11) - 3 = 129°
m∠BCE = 7(11) - 26 = 51° 
M∠ADE = 129 - 72 = 57°  exterior angle rule
m∠EDB = 180 - 57 = 123° supplementary angles
m∠DBC = 57° corresponding angle to ADE
 
        
             
        
        
        
Answer:
$4.50
Step-by-step explanation:
6/4=1.5
1.5x3=4.5
 
        
             
        
        
        
Answer:
0.3209
in case you dont know  A z-score tells you if the distribution it comes from is normal.
Step-by-step explanation: