Consider a circle centered at c(1,2). if the point p(5,3) lies on the circle, then which of the following points also lies on the circle?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?