The number of red t shirts is 8.
        
             
        
        
        
Answer:
x=9 and x=5
OR
(9,0) and (5,0)
Step-by-step explanation:
<u>Use vertex form to solve for the unknown variable</u>

<u>Use the new equation to find the x-intercepts</u>
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Therefore, the x-intercepts of the parabola are (9,0) and (5,0). Feel free to review the attached graph for more information.
 
        
             
        
        
        
Answer:
$180 in total!
Step-by-step explanation:
10 + 30 + 30 + 100 + 10 = 180
the uncle and aunt gave their money together, it didn't specify that they each gave 100
 
        
             
        
        
        
Answer:
<h2> 5mile per hour</h2>
Step-by-step explanation:
Step one:
given data
distance= 1/4mile
time taken= 1/20 hour
Step two:
Required
speed
we know that speed is 
speed= distance/time
substituting
speed= 1/4/1/20
speed=1/4*20/1
speeed=20/4
speed=5mile/hour
The option a sis correct, the speed is 5mile per hour