Step-by-step explanation:
Number of choices = 5C2 = 5 * 4 / (1 * 2) = 10.
Are you using distributive property
The answer is going to be option c. It’s going to be 72 it’s simple
Mean would be the correct answer
hi
You will only progress by trying yourself.
so I do the first, you do the rest.
You have to remplace x by 3
so first expression is : x²-4x
by remplacing "x" by it's value (3) we have :
(3)² -4(3) = 9 -12 = -3
Have a try for the rest and ask in comment if you dont understand.