3. is starbucks coffee overpriced? the minneapolis star tribune (aug.12,2008) reported that 73% of americans say that starbucks coffee is overpriced. the source of this information was a national telephone survey of 1000 american adults conducted by rasmussen reports. what is the bound of error?

The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103