Solve for z.
-cz + 62 = tz + 83

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?