Answer:
A={21,24,27,30}
B={21,27}
C={24,30}
Step-by-step explanation:
a)A U B={21,24,27,30}
b)A n C ={24,30}
Answer:
The first one
Step-by-step explanation:
Note the brackets means absolute value so the order of the first one goes like this
-1, 3/2, 2, 3, 3.5
Thus it's from least to greatest
I think it 157 the answer of it is 14
#18 is false because 1.9 is equal to 1.90