The correct spelling is accidentally.
The correct possessive form of the indefinite pronoun somebody is somebody's.Example: I found somebody's watch in the restroom.
The correct spelling is "accidentally".
That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.
The expression "suppose to" isn't correct. It should be "supposed to"
'Head off to meet with somebody' is correct grammar, although the preposition 'with' can be omitted.
The correct spelling of the adverb is accidentally (not on purpose).
That is correct; to multiply by 2 and then multiply by 2 again is equivalent to multiplying by 4.
not really
The correct spelling of the adverb is inadvertently(unintentionally, accidentally).
Grammatically it is correct but........ if you are asking somebody to marry you then say - "will you marry me"?
The correct spelling is "supposed to".