Can 4x^2-12x+9 be factored as (2x-3)(2x-3)

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?

Find the dimensions of the circle. area = 64π in.² r= in.