9) C.
10)A.
11) $75
Those are all the answers that you needed.
Answer:
x = 9
y = 15
Step-by-step explanation:
x = 9
y = 15
I'm not sure how to explain this, but one side is equal to its opposite side in a parallelogram.
Hope this helps :)
Answer:
40+32=342
Step-by-step explanation:
Using the commutative of addition change the position of 302 and 40 the expression is 40+302=342 [analysis]