A new Community Center is being built in Safe Harbor. The perimeter of the rectangular playing field is 352 yards. The length of the field is 8 yards less than triple the width. What are the dimensions of the playing field? Could you also include how to do it pls thank you??

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.