Answer:
75
Step-by-step explanation:
525/7=75
3 + 2n
2 + 1 = 3.
2n cannot be added into this because it has a letter in front of it. Therefore, it stays on its own.
z≥-10
Step-by-step explanation
it just is, trust.
it is b
it depends in how many marbles there were in total add more details and then I'll give more help
