2y -x=-4
Y-3=3x

Substitution to solve a problem

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

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2