What is the length of thee line segment ef enter your answer, as a decimal rounded to the nearest tenth, in the box

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?