Yes they are because some is negative and just put yes on your paper its kind of hard to explain i hope i helped you witu the question
I am doing this on apex aswell and i am stuck for the last few ones. I know that the answer to #1 is: Natalie- SAS and Emma- SSS the other ones im not so sure about. sorry for the lack of help, just thought one answer is better than none lol
Answer:
19
Step-by-step explanation:
(Assuming that each cube is 1 unit), the volume is 5 + 6 + 8 which equals 19
the rectangle is but the line is not because the line has to have another side !
20 cm is the answer good luck
