Time taken is equal to distance divided by speed
So time is 50/5 = 10 seconds
It appears like the 3 was distributed through the parenthesis
The answers should be 1, 1, 0, 0
<u><em>The additive identity property </em></u>. . . is being used here because no matter what the value is, whenever you add zero (0) to it, you'll always get the value your started with.
The second number in an ordered pair is the y-coordinate and corresponds to a number on the y-axis.