Simplify the product -3x(x^2+3x-1)

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

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.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827