Help!!! Notice that when x = 0 and y = 0, we have x - y = y - x. Does this show that there is a commutative property for subtraction?

A. No. An example does not show that there is a general property.
B. Yes. The commutative property only needs to work sometimes.

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size. it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?