It c) because it 56 out of 100
(1500 meters) / (about 3.5 minutes) =
(1500/about 3.5) (meters/minute) =
<em>about 428.6 meters/minute</em>
I believe that, "A quadrilateral is sometimes a trapezoid”.
Hmm, seems to multiply by 5
wait, no
first is multiply by 5
2nd is multiply by 10
3rd is multiply by 15
4th is multiply by 20
seems to be

or

the rule is square the input then multiply by 5