Alexandra missed 52 questions on her multiple choice science final and earned a grade of 74%. How many total questions were on the final exam?

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?

What are “like terms”? why can we only add like terms?

Asphere has a diameter of 10 in. what is the volume of the sphere?