Answer:
TRUE
Step-by-step explanation:
Answer:
b. 37 • 26 = 26 • 37
commutative property states that the change in the order of numbers in an addition or multiplication operation does not change the sum or the product.
For this case we have a system of two equations with two unknowns:

We follow the steps below:
We add the equations:

We divide between 9 on both sides of the equation:

We substitute the value of "x" in the first equation and find the value of y:

Thus, the solution of the system is: (3, -1)
Answer:
(3, -1)
Answer:
The answe would be "All parallelogram are quadrilaterals."
Answer:
Step-by-step explanation:
hello :
The area of the rectangle is A = w ×l
w : the width and l : the length
but : A = 56 and w =7
so : 56 = 7×l
l = 56/7 = 8 in