HELP PLEASE Part 1
The diameter of the smaller circle is a radius of the larger circle. What is the ratio of the smaller circle's circumference to the larger circle's circumference?

Part 2
What is the ratio of the smaller circle's area to the larger circle's area?

Give your answer in fully simplified form. It should look like "x:y", where x and y are replaced by integers.

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Can you simplify 4/7? 24 points will be awarded!

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.

Which statements about these triangles is true