Arental company charges $8 per hour for a mountain bike plus $5 fee for a helmet

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c