3+ (-8)
Someone please answer this

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?

Change negative exponents to positive, then solve

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.