The radius of a sphere is 3 inches. Which represents the volume of the sphere?

a. 12pi cubic inches
b. 36pi cubic inches
c. 64pi cubic inches
d. 81pi cubic inches

Find the given elements if matrix d:

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

What is the equation of the line in point-slope form? y+ 4 = 1/2(x+4) y-4 = 1/2(x + 4) y-0 = 2(x - 4) y-4 = 2(8-0)