Yo girl needs help please

Nikolas calculated the volume of the prism. his work is shown below.

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

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?