2x + y = 3
x - 2y = -1

if equation one is multiplied by 2 and then the equations are added, the result is

3x = 2
3x = 5
5x = 5

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.

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project

Solve the equation.then check your solution 8=1.88+a