Help me real fast with this one

Factor the polynomial. b^2 + 4b + 4

Adeposit of 5500 at 6% for 3 years equals

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