Idon’t understand this problem. can someone

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

Point a (7,3) is translated to a'(16,-9). which rule describes the translation?