As the parametrizations are not complete, a negative result to this hyper-elliptic curve certainly does not imply the non-existence of a perfect Euler brick. (Update, 7/2/10): Bremnerâs paper, The rational cuboid and a quartic surface gives more parametrizations of 8th deg, and points out that evidence suggests these can be found for every even deg â¥ 6.
At 18, the child can apply for adult status in SSI, but different rules will apply. For instance, the child may have to qualify based on tests that measure adult disability. At 22, the person may also qualify for benefits under the separate Social Security Disability Insurance program.
By a qualifying child, we mean a child who is under age 16 or who receives Social Security disability benefits. The spousal benefit can be as much as half of the worker's  primary insurance amount , depending on the spouse's age at retirement.If the spouse begins receiving benefits before  normal (or full) retirement age , the spouse will receive a reduced benefit.However, if a spouse is caring for a qualifying child, the spousal benefit is not reduced. spouse can choose to retire as early as age 62, but doing so may result in a benefit as little as 32.5 percent of the worker's primary insurance amount. A spousal benefit is reduced 25/36 of one percent for each month before normal retirement age, up to 36 months.