12/05/12

how many electrons does aluminum have?

i need ti know how many electrons aluminum have

7/10+ 5/10=

bimproper fraction to a mixed number and simplify  

(-1)-(-5)=?

What is negative 1 minus negative 5?

12/05/12

what are good sites to help with lesson ideas

i am simply wondering if there are ay particualarly good sites out there that coulf help me come up with fun math lesson plans.  

-2x-4x+6=10

What does x equal ?

how do i solve and simplify problem?

5/8 x -7/12 =

12/04/12

DNA to mRNA for three diferent strands of DNA, given "5-AGT-3"

My Study Group can't figure out this problem: "A triplet of bases in the Template Strand of DNA = 5'-AGT-3', The corresponding codon found in the mRNA would be..." but then they ask the same... more

i need help with literal equations

HELP ME I REALLY NEED LOTS OF HELP HELP HELP HELP

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