Let f(z)=u(x, y)+iv(x, y) show that if f(z) and is analytic function then f(z) is constant function. ​

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

How do you write something in scientific notation?

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?