The parabola x = y2 - 9 opens:

Which expression gives the area of the triangle shown below

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

According to the data set, where should the upper quartile line of the box plot be placed?