D, because there are several students that are in your school. There would be many different answers.
Answer:
A
Step-by-step explanation:
A. x = 25
Answer:
25% is called a quarter of 900
Step-by-step explanation:

Value of 1.2^2=1.44
value of 2^3+17-3*4=8+17-12=13
value of 9^2/3^3= 81/27=3