To solve this, we must first put both lines in Slope Intercept Form (y=mx+b where m is the slope and b is the y-intercept).
y=3x-5 is already in SIF, so we only need to work on the other one.
 x+3y=6
-x       -x
 3y=-x+6
 /3      /3
 y=-1/3x+2
Now we have both equations in slope intercept form, so we can start graphing from the y-intercepts and just follow the slopes.
When we do this, we will see that the lines meet at an exactly 90° angle. When a pair of lines does this, it means they are perpendicular.
Below I have attached an image that has both lines graphed so that you may visualize it. The green dots show the slopes, while the highlighted areas show the y-intercepts. Note that the lines intersect at a 90° angle, making them perpendicular.
 
        
        
        
Answer:
Step-by-step explanation:
h(5) = 5 - 7 = -2
g(-2) = (-2)^2 = 4
 
        
             
        
        
        
Answer:

Step-by-step explanation:
By the tangent ratio,  . Substituting the given values into this equation gives us:
. Substituting the given values into this equation gives us:
 °
° 
 °
°  (Multiply both sides of the equation by
 (Multiply both sides of the equation by  )
)
 (Divide both sides of the equation by
 (Divide both sides of the equation by  )
)

Hope this helps!
 
        
             
        
        
        
90%. 9/10 is equivalent to 90/100 making the percentage 90%
        
             
        
        
        
C is 0, since only multiplied by 0 will get 0, and the question defined that a and b not 0, so only c is 0