Joshua receives a $70 gift card to use at a clothing store. he buys a pair of jeans for $36 and 8 pair of socks. he does not use the entire amount of the gift card. write and solve an inequality to find s, the price of each pair of socks?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

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.