Answer:
b is equal to negative a and a is also equal to negative b
Step-by-step explanation:
Answer:

Step-by-step explanation:
Let, the length of the rectangle be 'L'
and, width of the rectangle be 'W'
length=2*Width+3

Area of the rectangle= 90 square feet
Area of a rectangle = Length*Width

Using Factorization Method to solve quadratic equation:

Taking common from the equation:

OR

The Width cannot be negative, therefore Width(W)=12 feet


Answer:
- 3a + 6
Step-by-step explanation:
subtract and add like items together like
- 4a + a = -3a
b-b= 0
and
9-3 = 6
so the answer is
-3a +6
The third one is correct so it would be C.
Just substitute X and Y into the question.