If 3% of ties sold in the united states are bow ties, what is the probability of randomly selecting three ties that were purchased and all three were bow ties?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

What are the solutions of the following system? y=-2x^2 y=x-2

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?