Traveling with the current a certain boat went 17 km/h. Against the same current it only went 1 km/h. How fast would the boat go if there were no current?

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?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up