How did i get banned? i haven't even done anything wrong lol can't message anyone who knows why?

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

Which of the following represents the range of the graph of f(x) below

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?