How many moles of hydrochloric acid, HCL, are present in 0.085 L of a 3M solution

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.

Need plz been trying to do it for a long time and still haven’t succeeded

What is the interquartile range (iqr) of the data set represented by this box plot?