If 6 times 6 is 36, then what is 36 divided by 6?

If square root x = -7, then x= -49 true or false

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?

Pls brainliest will be awarded if answer is correct