A function in math is a relationship or expression involving one or more variables.
The number of ways of she can do it is 504 ways
<h3>What is permutation?</h3>
The formula for permutation is given as:
Permutation = 
Where:
- n is the total number of objects = 9
- r is the number selected = 3
Substitute into the formula
Permutation = 
P( 9, 3) = 
P( 9, 3) = 
P( 9, 3) = 504 ways
Thus, the number of ways of she can do it is 504 ways
Learn more about permutation here:
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Answer:
14×6=84 and 6×14=84, 84+6=90
Answer:
y= 1/2X -1
Step-by-step explanation:
X+ (x+2)+ (x+4)= -21
3x+6=-21
3x=-27
x=-9
Final answer: -9, -7, -5