Which number line model represents the expression 3.5 + (-5)

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?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

How many $20 bills do you need to have to make $280