Charles is a real estate agent. He earns 3% commission on every house he sells. He just sold a house for $20,000. What is the commission he earns for selling this house?

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?