Select from the drop-down menus to correctly identify whether the given operation is closed or not closed with respect to each set of numbers. Real numbers are under addition. Integers are under division. Irrational numbers are under multiplication. Rational numbers are under subtraction.

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.

Ben is interested in using a source that provides original research, current and developing trends and experts within specific fields. which source should he use?

Keep your choice of a major there is probably no single correct choice. a ) to yourself. b) in perspective. c) based solely on the expectations of others. d) all of the answer choices are correct.