What is the value of x?

What is 32+4 x (16 x 1/2) -2 show your work}

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.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)