Lacey is attending a university where the cost for one year is $10,500. she has a scholarship worth $6,000 and a grant worth $900. she earns $45 a day at her job. how many days does she need to work to pay for 50% of the remaining amount?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Rewrite so the subject can be y in the formula d=m-y/y+n

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75