Which of the following best describes a parabola? a. the set of all points in a plane that are equidistant from two points b. the set of all points in a plane at a given distance from a given point c. the set of all points in a plane that are equidistant from two points and a single line d. the set of all points in a plane that are equidistant from a single point and a single line

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square