Answer:
512
Step-by-step explanation:
the number of subsets of the set {1, 2, 3, ..., 9} is : 2^9 = 512
Answer:
5
Step-by-step explanation:
x = number of marbles Jennifer's sister gets
25(20%) = x
25(.2)=x
x= 5
After 4 years the value of the computer is 818.44
Answer:
28
Step-by-step explanation:
1 in.=3.5
so 8×3.5=28
so it is 28 miles
34 inches. How you work it out would be base x height. This means to work out the height, you divide the total area by the base. 136/4 is 34