What the area of the triangle!

need help with these question would mean a lot

On average a herd of elephants travels 10 miles in 12 hours you can use that information to answer different questions drag each expression to show which is answers

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2