20 points! Miche found that most helicopters fly at speeds of less than 270 kilometers per hour. Her work is shown below.

s > 270

A number line going from 260 to 285. An open circle is at 270. Everything to the right of the circle is shaded.

Which mistakes did she make? Check all that apply.
The inequality should be s < 270.
The inequality should be s = 270.
The number line should have a closed circle at 270.
The number line should be shaded to the left.
The entire number line should be shaded.