A) 12 40/30 is equal to 4/3. 4/3=16/x 4x =48. X=12
The answer is the second choice
I'm pretty sure it's A, B, and D not 100% tho hope this helps!!
You want two factors of 48 that add to 14. 6 and 8 are those factors.
The length of the rectangle is 8 cm; its width is 6 cm.