Given that R = 6x + 5y Find y when x = 7 and R = 18 give your answer as an improper fraction in its simplest form

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Ten times the square of a non-zero number is eqaul to ninety times the number

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?