Will give brainliest

In emails to subscribers of a weekly newsletter, Mikayla found that approximately 72% of the emails are left unopened. If she sends out 5,896 emails each week, approximately how many emails are unopened?

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?

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.

The graph of a quadratic function has a maximum at point (0, 5). the graph contains the point (2, 1). what is another point on the graph?