Pronouns are used in place of a certain noun to make the sentence clearer and to avoid unnecessary repetitions of a certain noun. The appropriate pronoun that shoud be used in the sentence is, "us". The sentence should be, "Beatrice can expect us to help her move". Us is used because there are three people involved and it is considered as plural.
C. Equinox. At an equinox, Earth's axis is perpendicular to the Sun's rays and at noon the Sun is directly overhead of the equator.
The common synonyms are usually unknown, uncertain, unclear, etc.
You add up all the sides on the outside. so there should be however many sides and then add all those numbers together
