Answer:

Step-by-step explanation:
The only Pythagorean identities are:




Therefore,
is correct as it's one of the pythagorean identities.
Answer: .625 (yes he did leave enough
Step-by-step explanation: First you need to divde the fractions( or solve them) ,so 7 divided by 8 and so on Then you take subtract the paint ivan used, if it is less than half than ivan didn't leave enough for his poor sister
but there are other ways if this one is to hard
we know that


To find how long are
sections placed end to end
Multiply the number of sections by the length of one section
so


therefore
<u>the answer is</u>

The answer is 2 units up
hope this helps:)