A pencil costs $3.50 and a pen costs $6.70 . Jessica bought m pens . she also bought 4 fewer pencils than pens . Write an algebraic expression for the total amount she spent.

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

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.

Ineed with the quizzes in apex mathematics ii