If r(x) equal 3x -1 and s(x) equal 2x + 1 which expression is equivalent to (r/s) {6}

Can (3,5 and square root 34) be sides on a right triangle?

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

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?