Answer:
01/6
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Step-by-step explanation:
 
        
             
        
        
        
To find the amount of solutions, you must find the discriminant. The discriminant is b^2 - 4ac. Number 6 has 2 solutions and number 7 has 1 solution.
        
                    
             
        
        
        
Answer:
0.5m^2
Step-by-step explanation:
3 1/2- 2 1/2 =1/2
3m-2m=1
1/2 × 1 = 0.5m^2
 
        
             
        
        
        
Answer:
120Million
Step-by-step explanation:
thatev whwu g U (EDIT: IM SO SORRY THATS NOT THE ANSWER MY SISTER DID THAT)
 
        
             
        
        
        
The equation is 5c+25b=260 when c+b=12. rearrange that into 12-b=c. substitute and you get 5(12-b)+25b=260. b=10. 12-10=2, so 10 buses and 2 cars were used as transportation for the field trip.