What is the measure of an angle that is the complement of angle M? A.
10°
B.
60°
C.
90°
D.
None of the above
E.
45°

the measure of an angle that is the complement of angle M=90-75=15

non of the above

Her conclusion that 90% of the student body wants the colors changed is an INCORRECT conclusion. The 90% out of 100% is not referring to the total numbers of the student body.For example, 100 people are members of student body if only 50 members responded the survey, then we have:
 90% of 50 members who answered the survey said that they want the changed.