Answer:
2i + 7
Step-by-step explanation:
Given
(5 - 2i) + (2 + 4i) ← remove parenthesis
= 5 - 2i + 2 + 4i ← collect like terms
= 2i + 7
 
        
             
        
        
        
Answer:
x=−5/2,6
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The answer is A which is X^3 3 root y
 
        
             
        
        
        
Answer:
   $1.65
Step-by-step explanation:
If h is the price of a hot dog, then the total bill was ...
   4(2h +1.25) = 18.20
   2h +1.25 = 4.55 . . . . . . divide by 4
   2h = 3.30 . . . . . . . . . . . subtract 1.25
   h = 1.65 . . . . . . . . . . . . . divide by 2
The price of one hot dog was $1.65.
 
        
             
        
        
        
Answer:
$90.90
Step-by-step explanation:
The item normally costs $110.99. If the sporting goods store is offering a 10% discount, it means that the price including the discount will be: 
$110.99 x 0.90 = $99.891.
 the in-line skates cost with the discount $99.89, not including taxes.