Answer:
The first and third is correct.
Step-by-step explanation:
I'm not a expert but I know its right.
Step-by-step explanation:
To solve this, you either need x or y. So x or y can be the missing values. The most you can do is simply move one of the terms to the other side.
I have two methods for you
Answer:
60%
Step-by-step explanation:
add them all to 20
add 7 and 5 to get 12
12 over 20 is 60 percent
(x + 2)(x - 4)
= x^2 + 2x - 4x - 8
= x^2 - 2x - 8
