Question

Trying to figure out how I should write this.

Answer 1

Use cross products to demonstrate whether or not the two ratios are equivalent: \[\frac{ 4 }{ 6 }\] and \[\frac{ 14 }{ 21}\]

Answer 2

just set them equal, then use cross product and see if it is true

Answer 3

I think like this.

Is that how I lay it out?