The conversion from yards to feet and feet to miles are given.
You need to convert seconds to hours.
The conversion already given for time has 1 minute as the denominator, so the next conversion fraction needs to have minutes as the numerator.
The answer would be: A) 60 min/ 1 hour
B
if it is not correct sory
b) 8
they were asking you about the rate of increase in students per year
so you take increase in students/years= (224-120)/(2005-1992)=104/13=8
area = pi * r^2
here, the radius is 2 as its the diameter/2.
so the area is 4pi.
circumference = 2*pi*r.
so the circumference is 4pi as well.