Answer:
Y= 40
Step-by-step explanation:
I know the y equals 40 because I used

But for z and x I got stuck, so I hope I helped you a little to move forward with this problem.
YOU CAN DO THIS!!!!!
Here it is given that the triangles ABP and DCR are similars, therefore we use the ratio rule which states that
corresponding sides of similar triangles are in same proprtion .

that gives
7/10 = BP/11
7*11=10BP
BP=7.7
Again using the ratio rule

7/10 = AP/6
42 = 10AP
AP = 4.2
Perimeter= AB+BP+AP = 7+7.7+4.2 = 18.9
Correct option is A.
Your expected value is 36*2/6 + -36*4/6, which is equal to $-12.