I would start like this: which year was the seventh AMC 8??
the first was in 1985
The second: 1986
3: 1987
4: 1988
5: 1989
6: 1990
7: 1991
so seventh AMC 8 took place in 1991.
she was then 12, so we can subtract this age from 1991:
1991-12=1979
so she was born in 1979!
10 because 8 squares plus 6 squared equals 100 and the root of 100 is ten
6
Step-by-step explanation:
because 6*4=24, so the G.C.D is 4 and the other number is 6
