please solve and make the variable in brackets the subject of the equation

olving Equations of the equation and/or solve: 1 ) A = Ane-kt [Ao] Q = mc(t2-t1) [t2] k ) Y2 - 4X + 3= 0 [Y] 5g2 - 10 = 10 [g] m) 582 - 4s = 5 [g] n) x2 - 4 - y =0 [x] 0) ax2 - bx = 0 [x] p) x3 + 8= 0 [x] 3. p- WRT P is the pressure, V the volume, n the number of V s a constant which depends on the set of units being 4. T = NKT every pronumeral is the subject. . R = PV M