Janet is three years older than her sister julie. janet's brother is eight years younger than their sister julie. the sum of all of their ages is 55 years.

Which of the following points is collinear with (-2,1) and (0,3)

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?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.