Which inequality is true?

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?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the