In the given triangle ABC, find DE. answers: 20 5 10 2.5

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)