1.) Simplify completely x2-4x4 over x2+10x+25 times x+5 over x2+3x-10

A. x-2/x+5
B. x-2/(x+5)^2
C. (x-2)^2/x+5
D. (x-2)^2/(x+5)^2

2.) simplify completely x^2+4x-5 over 5x^2-8x+3 times 20x-12 over x^2-6x-55

A. 4/x+5
B. 4(x-1)/x+5
C. 4/x-11
D. 4(x+5)/x-11

3.) Simplify completely 40v^2/35v^4 divided by 20v^3/5v

A. 2/7v^4
B. 7/32
C. 7v^4/2
D. 32/7

4.) Simplify completely 8x-56 over x^2-49 divided by x-6 over x^2+11x+28

A. 4(x+4)/x-3
B. 8(x+2)/x-3
C. 8(x+4)/x-7
D. 8(x+4)/x-6

5.) Simplify completely x^2+x-12 over x^2-x-20 divided by 3x^2-24x+45 over 12x^2-48x-60

A. X-5/4(x+1)
B. X+1/8(x-5)
C. 4(x+1)/x-5
D. 8(x-5)/x+1