Answer:
C
Step-by-step explanation:
The exponent is negative so you put the number under 1 with the exponent positive
First one (20 characters) hope this helped
Answer:
4000
Step-by-step explanation:
let the marked price of the cycle be x
then x · (100% + 5% + 12%) = 4680
x =
= 4000
3/4 + 1/8
you gotta find a common denominator
so you end up with
(24+4)/32
=28/32
7/8 is now complete
Answer:
(A)
Step-by-step explanation:
Given a set with "n" number of elements, the collection of all subsets of the set is referred to as the Power set of the given set.
To find the number of possible subsets of any set, we use the formula: 
Take for example the set: A={2,3,4)
A has 3 elements, therefore n=3
The number of possible subsets of A is: 