Are the lines 4y-8x=4 and 2y-4x=15 parallel

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.

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have