Select the statement that is false. •variables represent unknown values.

• variables are placeholders in math expressions and equations.

• mathematical operations can be performed on variables.

• variables cannot be represented by the letter t.

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.