Answer: the answer is 2.75 because
Step-by-step explanation: 1.25+0.75+0.75=2.75 hope i Helped mark me as brainliest

F ∪ H is defined as the set that consists of all elements belonging to either set F or set H (or both).
F ∩ H is defined as the set composed of all elements that belong to both F and H
Answer:
OM AND BC, MN AND AC, AND ON AND AB
They baked 2 dozen because each dozen is 12 so one did 17 + another did 11 = 28 and divide it by 12 get. 2 dozens.