Darla uses 3 pink roses and 4 yellow tulips to fill each vases how many flowers does she use

She uses 7 flowers.

Explanation:

Since she has 3 pink roses and 4 yellow tulips all you would need to do is add 3 and 4 together which gives you 7. I hope this answered your question.

answer; ///i believe that the correct answer is when the same ( isobar ) passes through two locations on a weather map,both locations have the same pressure;