M^2 + 8m - 9 = 0
must be factored completely

Place the following steps in order to complete the square and solve the quadratic equation,

Which number line correctly shows 0.8 + 0.3?

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?