Suppose that it costs $11 to place a classified advertisement in the newspaper, plus $3 for each line. then the cost to place an ad x lines long is given by y dollars, where y=3x+11.

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?