He price of gold went from $460 an ounce to $483 an ounce in one week. what was the percent of change in the price of gold?

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons