What is the median of the following set of numbers?

52, 51, 45, 51, 47, 44, 48, 54, 42
A.
54
B.
48
C.
52
D.
42

Can someone check if i did this correct. it’s number 4 if you’re wondering.

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

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday