Which step should be preformed first when simplifying using order of operations?
48 : 6 x 5 + 13 x 2

What is the area of triangle abc if a = 8, b = 11, and c = 15?

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

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