Explain what sampling is and how it is used to estimate a population? In 5-7 sentences please
I will give Brainliest

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

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

Which number line represents the solution set for the inequality -1/2x> 24?