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Answer:
   points closest to zero will give the least change; those farthest away will give the greatest change. Listing the points in order by distance from 0 will put them in order by amount of change.
Step-by-step explanation:
The amount of change is the absolute value of the number on the number line. That value is the (positive) distance from 0. The numbers will most easily be compared if they are all put on one side of zero. For example, -1.75 and 1.75 are the same distance from zero, as are -3.25 and 3.25.
Listing the points in order by distance from 0 will put them in order by amount of change. In order, least change to greatest change, the numbers are ...
   -1.75, 2.50, -3.25, -3.50, 4.75
 
        
             
        
        
        
Answer:
30, 30, 120
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
A
Step-by-step explanation:the lines do not cross therefor the two equations do not share a solution.
 
        
             
        
        
        
Because the two angles add up to equal 90, you would make an equation set to equal 90. On the other end you add the measures of your angles together because they are adding up to equal 90. This would look like 2x+5+35=90 and you solve from here. Add like terms making it 2x+40=90 then you subtract 40 from both sides making it 2x=50 and then divide by 2 on both sides which leaves you with x=25.
        
             
        
        
        
Either or can be used with any triangle...I personally find the law of sines is often more compact as in this case we can just say;
(sin115)/18=(sin40)/c  (with no need for b or B as would be needed with the law of cosines...)
c=18(sin40)/(sin115)
c≈12.77