Pls help with 8th grade math Reflection across the X-Axis

Select all that correct ordered pairs after a reflection across the x axis.
k'(1,1) K'(-1,1)
N'(4,0) N'(-4,0)
Q'(4,4)

Identify the number 127 as a rational or irrational. explain

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo