A phone company offers two monthly plans. Plan A costs $23 plus an additional $0.08 for each minute of calls. Plan B has no initial fee but costs $0.10 for each minute of
calls
For what amount of calling do the two plans cost the same?||

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

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.