Find the center and radius of each of the following spheres: a) x^2 + y^2 + 8y + z^2 + 8y - 2z + 1 = 0 b) x^2 + y^2 + z^2 - 4x + 8y + 6z + 4 = 0
Find the intercepts and sketch the graph of each of the following planes.
a) 2x + 3y + 2z = 6
b) 3x + y = 6

Find the product of (4x + 3y)(4x − 3y). 16x2 − 24xy + 9y2 16x2 − 9y2 16x2 + 24xy + 9y2 16x2 + 9y2

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

27 is what percent of 108? 27 is % of 108