What is the slope of the line that contains points (2, 10) and (5, 8)

-2/3

Step-by-step explanation: you put 2,10 and 5,8 as Y2-Y1 over X2-X1. 2,10 for example 2 is Y1 and 10 is Y1. 5,8 is 5 is X2 and 8 is X1. so then you subtract 8-10 and 5-2 to get -2/3  

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%

x

step-by-step explanation: