Simplify the expression.
-3(-8-2v+2v) (easy 10 points!)

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

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