In the park on saturday morning, there were 9 kids ridding bikes and 7kids skating. what is the ratio of kids skating to kids in the park that morning?

Why is causation so much more difficult to prove than correlation?

Triangle abc was translated 2 untits to the right and 3 units down. write the algebraic rule that describes the translation that was applied to triangle abc to create triangle a'b'c'.

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?