First person to answer this question get 11 points!
what are all the possible ways to classify the following shape ?
a. polygon, quadrilateral, parallelogram,
b. quadrilateral, parallelogram, rectangle
c. polygon, quadrilateral, parallellogram

The mathematical expression 9€ t means

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?