Answer:
a) A U B = {21,23,24,25,27,29,30,31 }
b) A n C = {24,30}
Step-by-step explanation:
A {21,24,27,30}
B {21,23,25,27,29,31}
C {20,22,24,26,28,30,32}
a) A U B = {21,23,24,25,27,29,30,31 }
b) A n C = {24,30}
Answer:
A. The number of students who collected exactly 2 bottles.
Step-by-step explanation: I got this question on my test, and the answer was A.
100% verified! :D
It's either A or D i think it;s A
(2,14) is the answer I’m pretty sure