The first and last one are correct
A. Setting and updating goals.
50 pupils total. 1/10 speak French only. 1/10 of 50 = 5 pupils
4/5 of the rest (the rest = 50-5=45)speak both . 4/5 of 45 = 36 pupils
50 -5 - 36 = 9 remaining pupils
Fr only = 5
Eng and Fr = 36
Eng only =9
Internal medicine because they are concerned with how the body is working internally or an endocrinologists because they specialize in diabetes
