If x=3 and y=-2 and z=4, what is the value of 3x + 2y - z?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

5cakes cost 3.50 how much do 7 cakes cost

Joline is solving the equation 0=x^2-5x-4 using the quadratic formula which value is the negative real number solution to her quadratic equation round to the nearest tenth if necessary