Number of proper subsets = 2^number of elements- 1
= 2^n - 1
No of elements = 4
2^4-1 = 16-1 = 15
Answer:
Simplify the expression.
28.5q−2
Step-by-step explanation:
i think this what you would like
72 is multiples of 3,9, and 12
Answer:
Step-by-step explanation:
- -11/2+27/4+(-17/4)
- (-22+27-17)/4
- (-12)/4
- -3
