Answer:
Simplify (-6) = 3 would be false.
 
        
                    
             
        
        
        
7 girls participated only in Karate.
21 + 8 = 29
29 + 7 = 36
36 + 6 = 43
        
                    
             
        
        
        
(-3,2) (0,0) i think. it’s been a whole
        
             
        
        
        
 x° = 14°, y° = 14°; Use vertical and supplementary angles.
Step-by-step explanation:
The image of the answer is attached below.
In the given image two lines are parallel with transversal.
(9x + 12)° and ∠1 are vertically opposite angles.
Vertically opposite angles are equal.
∠1 = (9x + 12)°
Consecutive interior angles are supplementary.
(9x + 12)° + 3x° = 180°
⇒ 12x° = 168°
⇒ x° = 14°
Sum of the adjacent angles in a line are supplementary.
3x° + (4y – 10)° = 180°
⇒ 3(14)° + 4y° – 10° = 180°
⇒ 4y° = 148°
⇒  y° = 14°
Hence, x° = 14°, y° = 14°; Use vertical and supplementary angles.