Answer:
66,666666666666666666666666666666666667% :))
Step-by-step explanation:
total number of students in 1 class: 12 + 6 = 18 students
percentage of student wearing glasses are:

Done :))
It goes straight up I hope this helps if not in sorry
To calculate minimum value, do -b/2a to get the x-value, and plug it in to get the y-value:
-6/8 = -3/4

So the minimum value of g(x) is -81/4
This shows that g(x) has a lesser minimum value than f(x)
Answer:
The reasonings I provided are just examples (they are true, though!). Hope this helps!
Answer:
20
23 is between 20 and 30, but it's closer to 20. So 23 is rounded down to 20.