Solve the system of equations below.

{2x−y=3x+2y=−6

How many solutions does the nonlinear system of equations graphed bellow have?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.