To mail a first class letter, the u. s. postal service changes $50 for the first ounce and $21 for each additional ounce. it costs $1.34 to mail your letter. how many ounces does your letter weigh

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual