I think it’s C because 20-11 is C xD
The answer is (A) hope it helps and have a great day!
The direct cause of WWI was the assassination of Archduke Franz Ferdinand at Sarajevo on 28 June 1914. However historians feel that a number of factors contributed to the rivalry between the Great powers that allowed war on such a wide-scale to break out.
Answer:

Step-by-step explanation:

Switch sides:

Subtract 17 from both sides:


Answer:
89.88 gallons of milk
Step-by-step explanation:
97.88-8=89.88