The express elevator in a skyscraper goes up 51 floors in 12¾ seconds. how many floors does the elevator go in 2 seconds? a. 8½ b. 4 c. 8 d. 5

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?

Which of the following best describes the delian problem?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol