Answer:
Ok how can I help
Step-by-step explanation:
Isolate ry. To do this, subtract s from both sides, obtaining ry = tx - m - s.
Next, divide both sides by r, obtaining y = (tx - m - s) / r.
The area formula for a rectangle is l×w /length × with
so you subtitute w for the width and 21 for the length so the expression is 21w