The price of an item has been reduced by 75% . the original price was $60 . what is the price of the item now

Evaluate cos2θ for cosθ = square root of 3/2

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Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points