Evaluate: -19 - (-10) + (20) - (30) - (-15) a) -4 b) -3 c) 3 d) 4

So firstly, remember that subtracting a negative number is the same as adding a positive number so our expression will look like this:

Now solve as such:

Your answer is -4, or A.

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval