List the terms coefficients and constants in the expression 18X -7

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

For the sequence [tex]a_{n} = 2n/(n+1)[/tex], what is the value of [tex]a_{10}[/tex]