16, 13, 20, 16, 12, 17, 18
What is the standard deviation rounded to the
nearest tenth?

With this one. will mark brainliest

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

Solve 3x-18=2y and 5x-6y=6 by elimination show work