What is the range of tan x?

1) all real numbers
2) -1
3) y>0

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.

Sean is his dad build a tiled walkway in their backyard. the walkway will be 6060 feet long and 22 feet wide. the local hardware store sells tiles which are 22 by 22 feet and come in boxes of 66. how many boxes of tiles do they need?