Answer:
<h2>(c) 8</h2>
Step-by-step explanation:
The number of elements in a power set = the number of subsets of a set
Formula:
Let S be a sent ,the number of elements of the power set of S =

Where card(S) = number of element of S itself.
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In this case :
Card(S) = 3
Then
the number of elements of the power set of S =

First you have to combine like terms
(7x and 3x)
using the same sign (subtraction)
4x
then (5 and 2) also still using the same sign (subtraction)
3
4x-3
Answer:

Step-by-step explanation:
it's simple my dear friend.
first, she runs 3 miles per week.
so in

b is 3. the initial value.
increasement by 20% means she runs 1.2 times than before.

then a=1.2
so we have now:

and we got it!
Seven hundred twelve thousandths turns into 0.712.
Step-by-step explanation:
all I see is a piece of paper