Betty correctly factored 4x^2-6x-4 as (x - 2)(4x + 2). She then claimed that the zeros of that quadratic function f(x) = 4x^2 - 6x – 4 are located x = -2 at x = 1/2 and Did Betty correctly find the zeros of the function?

Factor this polynomial completely x^2-64

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price