89 10 10 11 12 12 14 17 19 dot plot

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

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2