Write the expression 18 - 27-9 in the form of a +bi. which number in the form of \(a+biv) is equivalent to \(18-2\sqrt{-9}\)? o o o o (18+6i\) \(18-611) (18-311) v(18-1811)

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?

What are two numbers that have a sum of 15?

The random variable x is defined as the number marking the sector in which the arrow lands when the spinner in the diagram is spun once.