Answer:
512
Step-by-step explanation:
the number of subsets of the set {1, 2, 3, ..., 9} is : 2^9 = 512
1 meter is 100 centimeters so do 200÷10 what does that leavr you with ? 20
B - line graph. A line graph should be added because he wants to know how many of available apartments there were during the time of the year and line graphs are usually up and down on the info.
Answer:
The number is 9.5
Step-by-step explanation:
Look at the picture above, it explains everything