Slope of a line parallel is equal to change in y over change in x: which is 9/8, or 1.125. A line perpendicular is the negative reciprocal, which is -8/9.
Answer:
21
Step-by-step explanation:
Subtract 7 from both sides to get the answer.
Answer:
I think it's 34
Step-by-step explanation:
cuz you add 11 and 12 frequency
Answer:

Step-by-step explanation:
Factor the numerator and denominator and cancel the common factors.
(x-5)(x+3) = 0
Apparently, the other solution is x = 5.