How would u find that value through a clalculator ?

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

How would you find the height of points on the circle? the topic is trigonometry.

Situation: find the age of the skull to the nearest year, enter the correct answer. a hiker in africa discovers a skull that contains 32% of its original amount of c- 14. done n = noekt 00000 no = inital amount of c-14 (at time t = 0) n = amount of c-14 at time t k = 0.0001 t = time, in years