What number would you add to both sides of x - 20x = 5 to complete the square?

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

What function has a range {yly< 5}? question on picture above^

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents