The point (7,2) lies on a circle. What is the length of the radius of the circle if the center is located at (2,1)?

Charlie is a car salesman he earns $800 plus a 9% commission on all of her sales for the week if charlie receive the payment for $1960 this week how much where is total sales

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog