Please help it's really important I’ll give you brainliest

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?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.