An urn contains 1 green ball, 1 red ball, 1 yellow ball and 1 white ball. i draw 4 balls with replacement. what is the probability that there is at least one color that is repeated exactly twice?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3

What is the value of x? enter your answer in the box. x =