75/200 movie goers watching 3D were students. 37.5% were students
50/100 movie goers watching 2D were students. 50% were students.
Answer:5
Step-by-step explanation:
3^2+4^2=c^2
9+16=c^2
25=c^2
=c
5=c
B and C can be divided by 9.
Answer:

Step-by-step explanation:
in this case,
is your number. we will always note square with the tiny two at the top of the number.
Four less than anything is easily shown with a minus four.
eg. four less of 12 square:
= :)