What is the point slope form of the line with slope 25 that passes through the point (−4,−7) ? y−7=25(x−4) y+4=25(x+7) y+7=25(x+4) y−4=25(x−7)

Which matrix multiplication is possible?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4