Answer:
228.6 cm
Step-by-step explanation:
hey its -100 percent. the negative to show decrease.
Answer:
Number 4 is a right triangle whether 3 isnt.
Step-by-step explanation:
I just know this because a right triangle is always gonna have a 90 degree angle whether that number 3 doesnt have one
There are

ways of pairing up any 2 members from the pool of
contestants. Note that

so that

This on is very easy go to my website so i can explain it better for you
<span>https://www.youtube.com/channel/UCaxhPMTZBmFcxAZ4hYpBf_w
</span>
Hope this