My wife was not asked to take the medical study because it was obvious that she was eight months pregnant. the situation listed above is an example of what? regressive stratification replication blocking sponsorship mathematics

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Which shows the graph of the solution set of 3y – 2x > –18?