Describe a graph that shows sam running at a constant rate

If Sam runs are a constant rate, that means his speed won't variate, it'll be the same all the way.

This constant movement is described by a linear relation, which it's shown as a graph line, where the slope of such line describes the constant ratio of change between distance and time, because a constant movement is defined as constance distances covered in constant time intervals.

So, the best description for Sam's movement is a line, which simulates the liner relation between the distance and the time.

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%