Aspherical raindrop evaporates at a rate proportional to its surface area with (positive) constant of proportionality k ; i. e. the rate of change of the volume exactly equals ? k times the surface area. write differential equations for each of the quantities below as a function of time.

Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

Franco wants to double the volume of the cone. what should he do?

What is the solution of the systems of equations? y=2/3x+3 x=-2