The volume of a cone varies jointly with the base (area) and the height. The volume is 12.5 ft when the base (area) is 15 fr and the height is 2 ft. Find the volume of the cone (after finding the variation constant) when the base (area) is 12 ft2 and the height
is 6 ft.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.