tests

ok im 18 and i have a very regular period, almost always come the day after or so of the last date it came. i got my last period dec.2 so it should have come by now. i didnt have unprotected sex or anything so i think there is a slim chance but idk. i feel like i am getting my period signs i...

i am feeling really depressed now cause i googled "real iq tests" and i did 1 and i got 91. yet i am in algebra in 8th grade when i should be in 8th grade math not 9th/algebra. so can you answer this question please cause i want to know if they are accurate. btw if speed matters i did have to do...