Turner is going to hire a makeup artist for a fashion show and is comparing prices. Dillon charges $50 as a booking fee and an additional $50 per hour. Jessica charges $40 per hour,
plus a booking fee of $100. Depending on the length of the show, the cost could end up being
the same for either artist. How long would the show be?
Write a system of equations, graph them, and type the solution.

What is the slope of the line shown below?

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

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.