an employee at a pet shop randomly selects a fish from a tank where there are 5 guppies, 4 platyfishes, and 3 rasboras.
what is the probability that the selected fish is a platyfish?
enter your answer as a fraction, in simplified form, in the box.

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Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?