Rewrite f(x) =x+1/x-1 in the form f(x)= a/x-h +k

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?

An octagonal prism has jow many lateral faces?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?