Daloris swan 3 length of a swimming pool in a total of 16.32 seconds. the third length took her 5.89 seconds. how long did it take daloris to swimming the first 2 length of the pool?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

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?