Based on the scenario determine if it would be better to use the mean or median to describe the data set. please help quick

In a certain pentagon, the interior angles are a, b,c, d,e where a, b,c, d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Need same math paper but the back now i hope your able to read it cleary i need with hw