Martina purchased a prepaid phone card for $20. long distance calls cost 13 cents a minute using this card. martina used her card only once to make a long distance call. if the remaining credit on her card is 17.92, how many minutes did her call last?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h

Use the zero product property to find the solutions to the equation (x+2)(x+3)=12