50. i’m sure you’re learning the proper mathematical way to do that, but my brain went ‘4+5 is 9. that’s 10 times less than 90’
The answer is 2.
This is because the line crosses the x axis in 2 different places.
Hope this helps!
I think is 2.5 centimeters
We have to find the expansion of 
We will use binomial expansion to expand the given expression, which states that the expression
is expanded as :

Now expanding
we get,


So, the variables are
,
,
, ![a^{8} , [tex] ab^{7}](https://tex.z-dn.net/?f=%20a%5E%7B8%7D%20%20%2C%20%5Btex%5D%20ab%5E%7B7%7D%20)
Answer:23 mm
Step-by-step explanation:
add both 15 and 8 because they are as long as the one on the bottom