School guidelines require that there must be at least 2 chaperones for every 25 students going on a school trip. how many chaperones must there be for 53 students?

-1, -2, -3, -4, -6

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.