Answer:
b < 16.5
Step-by-step explanation:
b - 9.5 + 9.5 < 7 + 9.5
b < 16.5
hope this helped :D
Answer:
-21
Step-by-step explanation:
It would have to be -21 because there's -7, but the threes not negative so it would have to be -21
Answer:
12 students
Step-by-step explanation:
Given

Required
Determine the number of students that eat lunch once a week
In Sets;
If out of 9, at least 7 eats one a week then
9 - 7 eats lunch once a week

<em>In other words;</em>
2 out of 9 students eat lunch once a week
Number of students in this category is then calculated as thus;




The answer would be 117 degrees. Subtract 63 from 180 and it will give you 117
Answer:
d.i think d is the correct answer