PLEASE HELP FAST

What is the measurements of ⦣CBD and ⦣DBE?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

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?

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)