Answer:
c. 0 and 7
Step-by-step explanation:
 
        
             
        
        
        
The value of m is -30 because once you get m on the one side the equation is 3m=-90 and once you divide -90 by 3 you get m=-30.
        
                    
             
        
        
        
Answer:
8x-y+4=0
Step-by-step explanation:
because 8x-y+4=-4+4
 
        
             
        
        
        
Answer: I am not sure if this is correct but I got 2.431619300243096x10^22, 2.6746457133 x 10^13, and the the last one I also get 2.4316193 x 10^10. I AM NOT TO SURE IF I DID THIS CORRECT OR NOT, PLEASE DO NOT REPORT ME IF THIA IS WRONG, I TRIED TO HELP.
Step-by-step explanation: I AM NOT SO GOOD WITH MATH!!
 
        
             
        
        
        
I believe the correct answer is B. -5