you simply have to add all of the numbers together, so it'll be 2+5+12+7+1 or 27, therefore the answer is B
Answer:

Step-by-step explanation:
4 times 4 is 16 so while both are in power so we can do this like that
In a trapazoid the diagonals are the same so therefore the two equations equal echother
3x+7=5x-11 solve for x by combining like terms
18=2x then divide to unto multiplication
9=x
9 is the value of x
I hope I've helped!
Answer:
wouldn't be $30 all together
Step-by-step explanation: