Help me to know the unit as the question says please

What is the percent of increase for a population that changed from 438,000 to 561,000

Patel’s class voted on their favorite color. patel plans to make a circle graph to display the results. which statements are true about the circle graph patel can create? check all that apply.

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?