Consider a binomial experiment. If the number of trials is increased, what happens to the expected value? To the standard deviation? Explain.

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250