Glenda plans to paint her bedroom, and she is mixing paint to create the right color. She starts with a white base paint and pours in some blue paint. Right now, her mixing bucket contains 5 quarts of paint,
with a concentration of 20% blue paint. Glenda wants to increase the blue paint concentration to at least
30%, but less than 35%.
Which inequality should Glenda use to find the number of quarts of blue paint she should add?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

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.