Mail in female high school students reported how many hours they work each week in summer jobs the data is represented in the following box plots identify any values of data that might affect the systematical measures of spread and center

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

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?

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?