9514 1404 393
Answer:
   congruent
Step-by-step explanation:
Angles supplementary to the same angle are congruent.
__
Here, angles 1 and 3 are both supplementary to angle 2, so ...
   angle 1 and angle 3 are congruent
 
        
             
        
        
        
4 a⁴ - 2 b² + 40 :
4 * ( 2⁴) - 2  * ( 7²)  + 40 = 
4 * 16 - 2 * 49 + 40 =
64 - 98 + 40 =
-34 + 40 =
+ 6
<span>hope this helps!</span>
        
             
        
        
        
Answer:
Slope is -3
y-intercept is -3 and equation is y=-3x-3
 
        
                    
             
        
        
        
Answer:
<h3>k = 10</h3>
Step-by-step explanation:
Given the equation;

We are to find the value of k.
Cross multiply;

Divide both sides by 10

Hence the value of k is 10
 
        
             
        
        
        
Answer:
a. 150
b. y=150x+1200
Step-by-step explanation:
a. 1350-1200=150
b. if he opened it in 2005 he started his tutoring fee at 1200 that makes 1200 the y intercept