Erica spent a total of $81.90 on
5 shirts. Each shirt cost the same
amount. Which model correctly
represents how to find the cost of
each shirt (s)?

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?

Find the measure of the angle indicated in bold

Write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.