What is the distance between the points (18,39) and (3,39) in the xy-plane A.36 units
B.15 units
C.21 units
D.7.5 units​

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Which is the focus of a parabola with equation y2=4x