The triangle in the picture what does y equal

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.

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

What numbers are included in the set of integers? what numbers are not included?