Answer:
X=3
Step-by-step explanation:
Answer:
B. Yes, their slopes are negative reciprocals.
Step-by-step explanation:

now we know the slope of line J is -1.
a line perpendicular to J, will have a
negative reciprocal slope, therefore,

therefore, line K has a slope of 1, and passes through 3,4,
Answer:
12a^3-6a^2+2a+9
Step-by-step explanation:
12a^3-6a^2-2a+7+4a+2
12a^3-6a^2+2a+7+2
12a^3-6a^2+2a+9