Plz there are 14 parking spaces in each row of a parking lot and there are 15 rows in the lot. how many parking spaces are in the parking lot?

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Two parallel lines are crossed by a transversal. what is value of x

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.