The mass of a cube, M (kg), is proportional to the cube of the length of its edge, L (m). The mass of the cube is 90 kg when the length of its edge is 20 cm. Work out L (to 2 DP) when M = 2000 kg

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.

What is a correct first step in solving the inequality-4(3-5x)> -6x+9

The box plots show the distributions of the numbers of words per line in an essay printed in two different fonts.which measure of center would be best to compare the data sets? the median is the best measure because both distributions are left-skewed.the mean is the best measure because both distributions are left-skewed.the median is the best measure because both distributions are symmetric.the mean is the best measure because both distributions are symmetric