What's the LCM of 21 and 30

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3

Explain how the quotient of powers was used to simplify this expression.