Answer:
Solution Let E1 be the event that coin 1 is selected and E2 the event that coin 2 is selected. Let F be the event that exactly 7 of the 10 flips lands on heads, let G be the event that the fist flip is heads. 
 
        
             
        
        
        
Answer: -6p - 78
Step-by-step explanation:
-5 (3p + 3) + 9(-7 + p)
-15p -15 - 63 + 9p
-6p-78
 
        
                    
             
        
        
        
Answer:
Letter A is your answer 
Step-by-step explanation:
mark me brainliest