Look at the coefficient of x (the slope).
Is -2 positive or negative?
Since -2 is negative, The slope is negative.
Answer:
A = 2, the number is 3221
Step-by-step explanation:
In order for the number to be divisible by 9, the sum of it's digit has to be divisible by 9.
In our case,
where k is an integer. the easiest way happens when k=1

Higher values of k will likely most work (with k=2 you get A to be a non-integer, which can't work since it's the digit of a number, and with higher values of K you're not getting a number in base 10.
Answer:
ok
Step-by-step explanation:
A = 5 km is your distance it is how far he traveled.
b = 3 km is your displacement it's the length in which he when north.
Answer:
1.4 or in fraction form 7/5
Step-by-step explanation:
Hope this is what you were looking for