3. Which situation could be represented by the graph shown? 30
27
24
21
18
15
A. Garrett buys limes for $0.80 each.
B. Sophia buys 12-packs of soda for $1.75 each.
C. Jacob buys packs of gum for $1.50 each.
D. Allison purchases lemons for $0.75 each.
12
9
9
6
3

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?