Work out the following without a calculator (show working out) please help

144x6^-2

Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

Find the area of the unshaded square