1. True or false : 0 is a whole number and a natural number 2. Give an example of a number that is a whole number , but not a natural number .

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)