I think it’s 9.10 but I’m not really sure
Answer:
(1,-1)
Step-by-step explanation:
y = -1
5x+7y = -2
Substitute the first equation into the second
5x + 7(-1) =-2
5x -7 = -2
Add 7 to each side
5x-7+7 = -2+7
5x= 5
Divide by 5
5x/5 = 5/5
x =1
(1,-1)
Answer:
It is right
Step-by-step explanation:
Because the hypotenuse must be greater than all the legs, we have that
is the hypotenuse. So, we want to determine if
.

This means the triangle is indeed right!
Answer:
217945728000 ways
Step-by-step explanation:
Given
--- 1 dozen

The given condition implies that;
---- any of the 4 shelves
--- any of the 4 shelves and either ways of book 1
--- any of the 4 shelves and either ways of book 1 and 2
-----------------------
----------------
----------
<h2>

</h2><h2>
</h2>
So, the number of ways is:

