A cell phone company offers its customers two monthly plans. Plan A costs $20 per month plus $0.15 for each minute used. Plan B costs $15 per month plus $0.20 for each minute used.
Part A
Write equations to represent the cost of each plan.
Plan A
Plan B
Part B
Graph the equations
Part C
For how many minutes is the cost the same?
Show your work.

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

M. xyz =radians. covert this radian measure to its equivalent measure in degrees.