The ratio of the corresponding side of two regular polygons is 3: 4 the area of the larger polygon is 320 m squared what is the area of the smaller polygon?

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Solve the given system of equations. 2y= -x+9 , 3x-6= -15