Your job is to sort and sack marbles for sale. a bag contains 120 marbles, some red and some blue. if there are 80 blue marbles, what is the ratio of red to blue marbles?

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?

Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.

Travis has decided to budget his spending money. he can spend no more than $143.15 every month. he has also decided to spend 5.2 times as much money on video games as he spends on the movies.what linear inequality describes this problem