On what interval(s) of x is f(x) increasing? On what interval(s) of x is f(x) decreasing?

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?

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?