The domain of the following relation r {(3, −2), (1, 2), (−1, −4), (−1, 2)} is
{−1, 1, 3}
{−1, −1, 1, 3}
{−4, −2, 2, 2}
{−4, −2, 2}

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?