Use the interactive to describe the conic given by the equation 3x2 – 9xy + 8y2 + x + y – 27 = 0. Ellipse with foci in the first and third quadrants.
Ellipse with foci in the second and fourth quadrants.
Hyperbola with foci in the first and third quadrants.
Hyperbola with foci in the second and fourth quadrants.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

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.