The points (-4, -2) lies on a circle. what is the length of the radius of this circle if the center is located at (-8. -10) ?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Find the missing dimension! need asap! tiny square is a =3025 in ²

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2