on the coordinate graph below sketch a rectangle on a coordinate plane that satisfies these criteria. The sides of the rectangle are either vertical or horizontal. The perimeter of the rectangle is 42 units. Each of the vertices in a different quadrant. What are the coordinates of the vertices of your rectangle? Explain how you know the perimeter of your rectangle in 42 units​

Find the solution of this system of equation -7x+y=-20 9x-3y=36

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3

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.