Rolf company pays its employees on a graduated commission scale: 1% on the first $25,000 sales, 3% on sales from $25,001 to $95,000, and 5% on sales greater than $95,000. if john jones, an employee of rolf, had sales of $100,000, what commission did john earn?

What is the missing constant term in the perfect square that starts with x^2 -20x

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* 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.