Which sets of numbers are closed under multiplication?

choose all answers that are correct.

a.
whole numbers

b.
natural numbers

c.
negative integers

d.
integers

The date of a business letter is included in the greeting. heading. inside address. margin.

Asentence teacher gives the following speech. prepare a brief speech to accompany your science project. the speech will be presented to a faculty panel selected as judges. include a summary of your hypothesis, methods, and results. provide an explanation of any pictures or charts one of your poster. also share any complications you encountered during the science fair process. who is the intended audience for the teachers speech? a. young students. b. peers at the science fair. c. teacher evaluators. d. science professionals

Select the choice which features correct pronoun-antecedent agreement. es a) both of the boys had his shoes on. b) both of the boys had its shoes on. 9) neither of the boys had his shoes on. d) neither of the boys had their shoes on.