2.0 is classified as?Select all that apply * Natural Number Whole Number Integer Rational Number

Which expression shows the sum of the polynomials with like terms grouped together

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?