Answer:
i think A
Step-by-step explanation:
Answer:
Step-by-step explanation:
Haha
Answer:
Is negative -3 by 4
Step-by-step explanation:
mark me brainliest ❤❤
Answer:
Angle HEF
105*
Step-by-step explanation:
Answer:
6m-mn, or 5m-n.
7y+42+5y+30, or 12y+72.
Not sure exactly what you're asking for the third and fourth, but these are the first two simplified.