Select all that apply. a figure is reflected over the y-axis. which of the following are true? the pre-image and image are congruent. the y-coordinates' signs change. the x-coordinates' signs change. the x-axis is the line of reflection.

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.