Find the greatest common divisor of the following polynomials over Q, the field of rational numbers. a. x^3- 6x + 7 and x 4.
b. x^2-1 and 2x^7- 4x^5 + 2.

Need santino bought a 3/4 pound bag of chocolate chips. he used 2/3 of the bag whule baking. how many pounds of chocolate chips did he use while baking?

Provide an example of a trigonometric function and describe how it is transformed from the standard trigonometric function f(x) = sin x, f(x) = cos x, or f(x) tan x using key features.

Asphere has a diameter of 10 in. what is the volume of the sphere?