The sum of two numbers is -6. The difference is 16. Find the two numbers.

Step-by-step explanation:

We can write the following system of equations:

Adding both equations together, we isolate and get:

Plugging in any of the equations, we can solve for :

Verify that the solution pair works

Therefore, the two numbers are .

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

use formula for the circle a=3.14

step-by-step explanation: