One number is three times another number. when another number is subtracted from 60 it is 5 less than smaller number subtracted from 55.
find both numbers

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

3x + 4y = 5 x- 3y = -7 solve by substitution

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.