Help with following question, don't need graph just need coordinates.

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !