Jilian was asked to translate the expression 9+n. she wrote "a number increased by nine." which best describes the accuracy of jilians answer?

How do you answer this question? (step by step)

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.

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true