At a state fair, there are 10 animal exhibits, 12 gardening exhibits, and 8 farm equipment exhibits. Describe a model that you could use to simulate randomly choosing an exhibit to visit.

A bar-graph

Step-by-step explanation:

Let's represent the animal exhibits as red, the gardening exhibits as green, and farm equipment exhibits as grey. Now you can see how many of each exhibit there are by looking at the bar-graph

99

step-by-step explanation:

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363