help with math pleaze. Please i dont know how to do this at all.?

Question

simplify the expression:
1.)14x^4y^2/21x^3y^3
2.)2a^3-6a^2/2a^2-18
3.) (m-1)^2/(1-m)^2
4.)3k+12/16-k^2
5.)5n-10/n^2+3n-10
6.) b^2-2b-15/b^2-6b+5

Answer 1

1. 2x/3y
2. 2a^2(a-3)/ 2(a-3)(a+3)
2a^2/2(a+3)
3.. m^2-2m+1/1-2m+m^2= 1

4. 3(k+4)/(k-4)(k+4)= 3/k-4
5. 5(n-2)/(n-2)(n+5)= 5/n+5

6.(b-5)(b+3)/(b-5)(b-1)= b+3/b-1

Answer 2

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http://www.math.com/

MATH WEBSITES FOR TEACHERS AND STUDENTS

http://www.cumbavac.org/Math.htm

Answer 3

uhuhuhuhuhuhuhuhuhuhuhuhuhuh
1)4
2)4
3)4
4)4
5)4
6)5
jk have u ever heard of doing your own homework?
asking 4 help is one thing but asking 4 answers is just pathetic!!!!!!!!!

Answer 4

BEDMAS!