Answer:I am pretty sure the answer is
C. "They are perpendicular to each other."
Step-by-step explanation:
** x + 5 = 7
x = 2
** x + 5 = 9
x = 4
{2,4}
Step-by-step explanation:
E
working ;
(3x+2)^2
*Apply Perfect Square Formula : (a+b) =a^2+2ab+b^2
a = 3x,b = 2
(3x)^2 + 3x.2+2^2
finally Answer is:
= 9x^2 + 12x +4
