399,713 rounded to the nearest thousand is 400,000
Answer:
W is either 4, 5, 6, or 7.
Step-by-step explanation:
D∩E=D This is because since D is a subset of E then the elements they will have in common are the elements in D and D is not a null set
6x+2+6x<14
add 6x+6x
12x+2<14
subtract 2 from both sides
12x<12
divide by 12
x<1
