Does anyone know how to do a scale model drawing and a real life scale model? What's the formula if something is a large size and I want to make smaller versions of it?

Linet passes through (4.5) and is perpendicular to the line shown on the condirate grid.what is the equation of line t in standard form?

Find the area of a parallelogram with base 15 yards and height 21 2/3

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?