Answer: Angle 2
The 7.5 cm side is opposite angle 2, so opposite = 7.5
The 18 cm side is adjacent to angle 2, so adjacent = 18
Therefore, tan(angle 2) = opposite/adjacent = 7.5/18
Replace "angle 2" with "A" and we have tan(A) = 7.5/18
        
             
        
        
        
Answer:
First point: (1,0)
Second Point: (2,1)
Third Point:  (3,2) 
Fourth Point: (8,7)
Step-by-step explanation:
For the first two points, you have to plot the two pairs of coordinates that are given.  After this, you have to plug the x values into the equation to get the missing y values. 
For example: The third point 
X= 3 
Y= X - 1 
Y= 3 - 1 
Y=2 
So this means that the third coordinate is (3,2)
 
        
             
        
        
        
15 divided by 2 1/2=6
Nestor can pot 6 plants in an hour. (I'm guessing that it said 2 1/2 hours)
        
                    
             
        
        
        
1+3=4
A counterexample is an a example that proves the statement false.
1+3 are not even numbers but they equal an even one, so it just proved the statement wrong.
        
             
        
        
        
Answer:
6x+y=-8 because it will be y=-6x-8 having same slope with the line given