Is 3 hours worked for $12 equivalent 9 hours worked for $36

Yes, 3 hours worked for $12 is equivalent to 9 hours for $36.

Step-by-step explanation:

You can set up a ratio for this.

hours: dollars

3 hours: $12

9 hours: $36

3 hours to 9 hours is 3*3=9

$12 dollars to $36 dollars is $12*3=36

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.