It would be the last one (A wind chill of 20F below zero) Hints it saying below zero. :)
I hope this helps :)
Answer:
If the rope is 20 ft long, then the maximum area the cow can graze is:
r^2 square feet.
is approximately 3.14, so that means we have: 3.14(20^2) = 1256 ft squared.
Thus, the maximum area that the cow can graze is 1256 ft squared.
Let me know if this helps!
An increase is adding, not multiplying. they meant that 5 times a number is 500% of something. it would be a 400% increase as one plus four is five.
the width of a book is about ("25 x 20cm")
the length of a pencil is about 15cm (19cm if unsharpened)