At noon, to begin a study, a petri dish had 2800 bacteria cells. each hour since, the number of cells has increased by 16%.

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?