Square root 31 nearest integers

1. statement- ca is parallel to db and e is the midpoint of ad reason- given2. statement- reason- alternate interior angles3. statement- de is congruent to ae reason- definition of midpoint4. statement- triangle aec is congruent to triangle deb reason- asa (angle side angle)

To find the  unit rate, divide the numerator and denominator of the given  rate  by the denominator of the given  rate. so in this case, divide the numerator and denominator of 70/5 by 5, to get 14/1, or 14 students per class, which is the  unit rate.