A regular hexagon has sides 18 mm long and an apothem with the length of 9√3 mm. If the area of the regular hexagon is a√3 mm², what is the value of a?

Which expression gives the area of the triangle shown below

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol