PLEASE HELP ASAP TIMED x2+7x+12

A
(x + 3)(x + 4)
B
(x + 2)(x + 6)
C
(x + 1)(x + 12)
D
(x + 7)(x + 12)

If a(0,0,0) and b(2,2,2) are points in coordinate space, how many paths are there from a to b that move from one lattice point to another in the positive x-,y- or z- direction?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account