3. a sphere has a diameter of 12 cm. a. find the surface area of the sphere in exact form. b. find the volume of the sphere in exact form. c. what is the ratio of the surface area to the volume in lowest terms.

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?