A vase of flowers contains 5 pink ones, 3 red ones and 7 white ones. In the lowest terms, what fraction of the flowers in the vase are not pink? 

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

In each bouquet of flowers, there are 2 roses and 3 white carnations. complete the table to find how many roses and carnations there are in 2 bouquets of flowers.

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?