Dianne drew a triangle with coordinates (1, 3), (3, 2), and (4, 2). She drew an image of the triangle with coordinates (-1, 3), (3, 2), and (-4,2). How did she make the image?

a. she translated the original figure 2 units down
b. she translated the original figure 6 units down
c. she reflected the original figure over the x-axis
d. she reflected the original figure over the y-axis

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?