Does the equation represent a direct variation. if so, find the constant of variation.
5x= -3y
a. no
b: yes k= -5/3
c yes k= 5/3
d yes k= -3/5

With: label the vertices and all the elements needed. find x

Just tell me how to set up the equation.

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23