the coordinates of the endpoints of segment are a (-2,3) and b(2,1)find the x coordinate of a after the translation( x ,y )-->(x + 3y - 2)

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0