The property used in #20 was called 'the distributive property'.
This property gets rid of the parenthesis and also gets the expression more simple.
x(y+b)
x*y + x*b ⇔ Notice the change here?
Answer would be: Distributive property
Use Photomath it would tell you the answer if you take a pic of your question
X = integer one
y = integer 2
x = 12y + 4
x * y = 5896
Solve the system of equations
Yes it is 1/8.You don’t multiply the top part of the fraction,just the bottom.
Why did you circle all of them ?