Hello : here is a solution :
Answer:
98
Step-by-step explanation:
15
A total of 39 took psychology. 12 of those took that and science and another 10 of those took that and history. 2 people took all three. 12+10+2 = 24 students who took psychology along with another class. To find the number of students who took ONLY psychology, you would take 39 and subtract 24, which leaves you with 15.
Answer:
4/(m-4)^2
Step-by-step explanation:
=(m+2)/(m-4)^2-(m-2)/(m-4)^2
=m+2-m+2/(m-4)^2
= 4/(m-4)^2
This is the correct answer.
