D is not equivalent
hope this helps :)
Answer: It dropped 55%
Step-by-step explanation: well if you multiply 140x.55 it equals to 77
The hypotenuse of the triangle is given by:

Substituting values:

Clearing CB we have:

Then, the perimeter of the triangle is:

Substituting values:
Answer: the perimeter of triangle BRC in units is: D.6 + 2√5
6 and 2/3 that is the answer
Answer:
B ∩ (A ∪ C)'
Step-by-step explanation:
It's the B part excluding A and C union. Hence,
(A ∪ C)' ∩ B