No.
probably not
No. A new spouse is not obligated to pay for a child they did not help conceive.
not yet see links below
The new spouse is not responsible for his/her spouse's children.
In general, (re)marriage should not increase or decrease one's child support obligation, regardless of the new spouse's income or the presence of stepchildren.
Spouses are not responsible for their spouse's child(ren). However, to collect unpaid support, the State may place liens on real and personal property, including bank accounts, owned by the obligor, even though the spouse is a joint owner.
nope, only takes the mother and fathers income into account. Spouses of the parents are not included
no
That depends on the state see links
Child support is based on a formula of income and percentage of time spent with each parent.
Yes the state can use BAH (a military term for "Basic Allowance for Housing) to calculate child support since it is a part of your gross income. This is standard.
Not pay the child support, but under certain circumstances, 20% of your income can be used in a modification. This also applies if you are cohabiting. see link