Answer:
3x + 3y
Step-by-step explanation:
The two minus signs make a plus sign. Therefore, we replace the minus signs with a plus sign, getting 3x + 3y.
Answer: 525
Step-by-step explanation:
3 km =30 hm
35hm*15=525
Answer:
graph A
Step-by-step explanation:
a theory or system of social organization in which all property is owned by the community and each person contributes and receives according to their ability and needs.
