Answer:

Step-by-step explanation:
We know that 
Also , 
So ,

10 30 45 45 48 55, 55-10=45=mode median and mean
Hope this helps
Answer:
I'd say multiply the numerators then the denominators and at the end simplify at least thats how I multiply fractions :)
Answer:
Step-by-step explanation:
Here you go mate
Use PEMDAS
Parenthesis,Exponent,Multiplication,Division,Addition,Subtraction
Step 1
4n-9=2(5+2n) Equation/Question
Step 2
4n-9=2(5+2n) Remove parenthesis
4n-9=4n+10
Step 3
4n-9=4n+10 Subtract 4n to sides
-9=10
Step 4
-9=10 Add 9
0=19
Answer
No solutions
Hope this helps
I think it is 32, bc the value of x is 20 so your problem would look like this; 2 ( (20) - 4 )