My daugher is 15. She just got her period but it is only 15 days after she finished having her last one. Should I be worried? Is this really her period or is it vaginal bleeding or is it normal for a 15 year olds cycle to be this short?!? Thanks.
Need sum help on a few of my math problems here tonite, if ya can plz show ur work thx
1. 65 is 70% of what number?
2. 18n+12<(2n-1)
_
The _ is under that <
3. (x^2)^4 / (5x)^3
4. [16t^3/8s^4]^2
5. (x^-5 y^4)^-1