Order the following numbers from least to greatest. Put the lowest number on the left.

-61 , -40 , -85 , -21

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

I’m confused on how to work the pie charts