C
6x^2-13X-5=0
(3X+1)(2X-5)
3x-1=0
X=1/3. 2x-5=0. X= 5/2
Answer:
Option A, C, D, are the correct options.
Step-by-step explanation:
If the poster is 6 by 18, and it increases by a factor 7/2, then you multiply both the height and length by 7/2:

Therefore, the new height is 21, and the new length is 63.
About -5.69 we calculated it