Patty, quinlan, and rashad want to be club officers. the teacher who directs the club will place their names in a hat and choose two without looking. the student whose name is chosen first will be president and the student whose name is chosen second will be vice president. which choice represents the sample space, s, for this event? s = {pqr} s = {pqr, prq, qpr, qrp, rpq, rqp} s = {pq, pr, qr} s = {pq, qp, pr, rp, qr, rq}

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation