(5,-1) is the correct answer for this question
it would depend how much you actually used, but you would take the amount you used and divide it by the total amount of yarn. so if the yarn was 4m long and you used 2m then it would be 2/4 which is 0.5 which is also 50%, so half the yarn was used.
Answer:
-7/8
Step-by-step explanation:


Yes most likely a variable square can be combined with a variable I believe