Big Ben is a famous clock tower in London. The circumstance around the clock is 72.22. How long is the hour on the clock if it is the radius of the circle

Question and answers are in the attached picture. you so much in advance.

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.

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68