Answer:280 square feet per hour.
Step-by-step explanation:
There's no diagram here so I can't be specific, but I've attached an image.
a.
trust me it's the correct answer :)
The rule for reflecting over the X axis is to negate the value of the y-coordinate of each point, but leave the x-value the same. For example, when point P with coordinates (5,4) is reflecting across the X axis and mapped onto point P', the coordinates of P' are (5,-4).