Please help I will give you the big brain

If 1/2+2/5s=s-3/4,what is the value of s? a. s=3/4 b. s=25/12 c. s=-25/12 d. s=-3/4

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

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.