Answer:
(x + 2)(x - 2)
Step-by-step explanation:
You recognize that the difference of squares x²-4 can be factored as ...
x² -4 = (x +2)(x -2)
This already contains the factor x+2, so it is the appropriate common denominator.
27 stores, you just multiply them in this case
Answer:
Step-by-step explanation:
We have
To figure out the sum, you need to add like terms.
It would look like this:
=
Answer:
4/21 kilometers per hour
Step-by-step explanation:
Since the tortoise traveled 1/6 kilometers in 7/8 hour we can divide 1/6 by 7 because 7/8 divided by 7 is 1/8 and get 1/42.Once we've done this we can then multiply 1/6 by 8 since 1/8 x 8= 8/8 or 1 hour and get 8/48 which simplifies to 4/21.
Answer:
A
Step-by-step explanation:
cuz all the other options sum up to 180 except A it sum up to 181
and the sum of angle in triangle is equal to 180°