The chart shows the different age groups in a junior triathlon. it also shows the number of participants in each group. which histogram correctly shows the data given in the chart?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

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?