Answer:
2 +i
Step-by-step explanation:
 -3+6i-(-5-3i)-8i
Distribute the minus sign
-3 +6i +5 +3i -8i
Combine like terms
-3+5 +6i +3i -8i
2 +i
 
        
             
        
        
        
Answer:
√10,−√10
Step-by-step explanation:
award brainliest
 
        
             
        
        
        
Triangle ABC and triangle DCE are congruent, so line DE = line AB
Use the cosine rule to find angle ACB






Angle ACB = 48.1°
 
        
        
        
Answer:
She applied the exponent -2 to 4(-2) instead of applying the exponent to just -2.
Step-by-step explanation:
i got my rerecord from my flash cards my teacher made of some answers 
 
        
             
        
        
        
If its easy why dont u do it urself bro