There are 30 major league baseball (mlb) teames and 32 national football league (nfl) teams. the expanded roster for mlb teams is 40 players and it is 53 for nfl teams. how many are in the nfl than in the mlb?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

How many glue sticks are in a basket containing 96 scissors, if the ratio of glue sticks to scissors is 19 to 57.

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.