Answer is 9r
Because 9x3 is 27
Also no clue about the brainliest thing
Answer: plot a point at (-8, -5)
The y coordinate flips from positive to negative, or vice versa, when we reflect over the horizontal x axis. The x coordinate stays the same.
The rule can be written as 
7/10 is your correct answer
11 feet I think, hope this helps