Answer:
1. no
2. yes
3. no
4. yes
5. yes
Step-by-step explanation:
the hypotenuse may be found by using the Pythagoras theorem
Answer:
7x^2 + 14x - 12
Step-by-step explanation:
Add like terms:
(4x + 8x - 5) + (3x2 + 6x - 7) becomes:
4x^2 + 8x - 5 or (grouping like terms in columns):
+ 3x^2 + 6x - 7
---------------------
7x^2 + 14x - 12
Answer:

Step-by-step explanation:

Let's convert the mixed number to an important fraction.
-1 1/6 = -7/6
Now multiply:

-Chetan K