Find 5x-3y-z if x=-2, y=2, and z=-3

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2