How do i find w using the given information

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

Find the common ratio of the sequence. -4, 8, -16, 32, a: -12b: -2c: 12d: -1/-2