Answer:
The 8 pounds bag
Step-by-step explanation:
Case 1 :
a pound cost 4/3
case 2 :
a pound cost 9/8
4×8 > 9×3
then

Therefore the 8 pound bag costs less
Answer:
Denote O as center of circle, draw OA, OC.
As property of tangent line from outside of circle (angle OAD = angle OCD = 90 deg):
=> AOC + D = 180
Moreover, angle AOC = 2 x angle B = 2 x 65 = 130
=> D = 180 - 130 = 50 deg
Hope this helps!
:)
Answer:
it is B
Step-by-step explanation:
i just did it
There should be a typo in the question: the correct formula would be

Let's compute
first. We have

If we intersect this set with X, we have

So, that would be the left hand side. For the right hand side, we have

And their union is again 