The Answer is 2x + Y - 6 =0
It is given that there are 41 males and 48 females in the small school.
So, the number of ways a male student can be chosen from 41 males is 
Likewise, the number of ways a female student can be chosen from 48 females is
.
Thus, the total number of ways in which 2-person combinations are possible to represent the student body at the PTSAC meetings will be given by:

X=90 degrees you can get the answer by adding up all the angles
An outlier causes the median to move slightly towards the outlier.
Not a lot of details, but the answer is:
b = how many miles is in the bike a thon
b x 1/10 = x
x = how many miles yoshi completer