I think it is the mean and the range thats what i think
Answer:
55 centimeters
Step-by-step explanation:
It is a right triangle which means it will add up to 90 degrees. You would start by adding 20 and 15 which is 35 and then subtract 35 from 90 to get 55. I hope this helped :)
answer is( ab)
Step-by-step explanation:
here is your answer
I think its the first one
1. Each term in this polynomial has a common factor of
:

2. Not sure what the "vertical method" is, but I would guess it refers to some way of visualizing the distributive property.



3. You can use the same approach as in (2), or recall that
:


4. Recall that a difference of squares can be factored as
. So

