Answer:
C
Step-by-step explanation:
did da test
B because the multiplication has different signs
The answer is No, they are not proportional. This is because 8/42 is not equal to 20/105.
Answer:
UNDEFINED
Step-by-step explanation:
change in y over the change in x is how you'd find slope, however, x is the same in both of these, making this a limitation not an equation, therefore the slope is undefined 18-18 = 0 -> Anything divided by zero as a slope is undefined.