explain why it is impossible for a regular polygon to have an interior angle whose measure is 130 degrees

How to solve it and what thw answer is

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months