Combine like terms then solve for d. i will give brainliest please explain so i can know how to do it

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

What’s the range cuz i can’t find it?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.