X- (-10) = 2 can someone me with this answer

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

What is the slope of the line? a. -5/2 b.2/5 c. 5/2 d.7/2

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?