What is DB?

Need help!

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )

What is the radical expression that is equivalent to the expression 27 1 over 5?

Answer pls man im trying to get out of summer school