Can someone pls help for brainlest

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.

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.