18 girls
Half of the students volunteer
15 don't -- so the other half must be 15 as well making there 30 students in the class.
If 12 are boys, then 30(students in class) - 12 (boys) = 18 girls
Answer:its incorrect... 18 does not equal 8
Step-by-step explanation:
Answer:
−y−81
Step-by-step explanation:
The slope can be calculated with the following formula:

In this case, you have the following points:
Answer for this question: X < -20