Lisa purchased a prepaid phone card for $25. long-distance calls cost $.21 a minute using this card. alyssa used her card only wants to make a long distance call. if the remaining credit on her card is $20.59, how many minutes did her call last?

When only separate discreet points are graphed it is called?

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!