Answer:
Step-by-step explanation:
 
        
             
        
        
        
Answer:
87.8
Step-by-step explanation:
87 + 80 + 96 + 94 + 88 = 439
439 ÷ 5 = 87.8
 
        
             
        
        
        
Answer:
a. 3, 100 degrees 
- I know 6 is 100 degrees and angle 3 is identical to angle 6. Therefore, angle 3 is 100 degrees.
b. 6, 100 degrees
- Angle 3 and 6 are identical. This means angle 6 is 100 degrees.
c. 4, 80
- Knowing a straight line is 180 degrees and all other angles are 100 degrees, I subtracted 180-100 = 80 degrees
Step-by-step explanation:
Everything was explained above, but be sure to know...
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W             E
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- Hope that helps! Please let me know if you need further explanation.
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
The vertex form of a parabola f(x) = ax² + bx + c:

(h, k) - vertex

We have the equation:

Finally:
