The voltage in an electricity circuit is multiplied by itself each time it is reduced. the voltage is 27/125 of a volt and it has been reduced three times. what was the original voltage in the circuit?

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?