Atrain leaves a station and travels north at 60km/hr. 4 hours later, a second train leaves on a parallel track and travels north at 100km/hr. how far from the station will they meet?

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

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

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]