Answer:
y=1/2*(x-4)^2+13
Step-by-step explanation:
60% of the people from the survey are completely satisfied
$7.48
________
You're welcome
1/3,3/10,1/4,2/9,1/7
Step-by-step explanation
The LCD would 1260 so 1/3= 420/1260, 3/10= 378/1260, 1/4= 315/1260, 2/9= 280/1260, 1/7=180/1260
7
29550
1.5 percent of 30000 is 450, so subtract 450 from 30000