Blueprint for a house states that a 6 inch line represents 11 2/3 feet on the actual home if the house is to be a total height of 20 feet how many inches high would it be on the blueprint

Find the slope of the line y =8/9x + 1.

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

What is the number 321,000,000 in scientific notation? also what is the number? ?