A relation contains the ordered pairs shown. One of the ordered pairs is missing an x-coordinate. {(-1, 4), (0, 4), (2, 5), (3, -6), (?, 7)}
What could be the missing x-coordinate if the relation is a function?
A. 0
B. 2
C. 8
D. -1

Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa

Charlie tosses five coins. what is the probability that all five coins will land tails up.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth