Using a phone card to make a long distance call costs a flat fee of $0.85 plus per $0.19 minute starting with the first minute. find the total cost of a phone call which lasts 8 minutes. a. $2.37 b. $ 1.52 c. $6.00 d. $8.16

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?