Please help.

The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.

What is the output, or dependent variable of quantity? 1: x 2: f(x) 3: y

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.