Which expression represents the product of a number, x, and the difference of 5 and 1? 5x- 1
5x+1
x (5 - 1)
x (5+1)

If the discriminant if a quadratic equation is 4 which statement describes the roots?

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?

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is