what are the domains and range of the function represented by the set of ordered pairs (-7,1) (-3,2) (0,-2) (5,-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 points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?

Why is x= 4 a solution to the proportion 14/x 56/1 6