What is equal to 7/10

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.

State one method by which you can recognize a perfect square trinomial.

Two numbers have a sum of -19. one number is x. what expression represents the other number?