Which set a rational numbers are ordered from least to greatest? Wrong answers will be reported

Ill mark the brainliest if you me with the these three questions 7,8,9

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

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?