Answer:
exponent i think.
Step-by-step explanation:
Answer:
- k = -5 , k= -2
- m= -21 , m=5
Step-by-step explanation:
4.

6.

Answer:
Step-by-step explanation:
3-9 happy to help :)
Answer:
x=7
Step-by-step explanation:
The given equation is:

Multiplying both sides by LCM of 3 and 6
So,

Hence, the solution of the equation is x=7 ..
Answer:
How many subsets and proper subsets does a set have? If a set has “n” elements, then the number of subset of the given set is 2n and the number of proper subsets of the given subset is given by 2n-1. ... We know that the formula to calculate the number of proper subsets is 2n – 1.