Since point A is at (2, 5), and you are reflecting it across the x-axis, you take a look at the y-coordinate. Since it is <em>five</em> above the x-axis, you go <em>five</em> below the x-axis, or just give the OPPOSITE of 5, which is -5.
<span>The answer should be 4.5 because they used AT LEAST 32 miles per gallon. So, 144/32=4.5 and since it's AT LEAST 32, 4.5 is the max amount used.</span>