Tony is 1/2 of a mile ahead of Laura on a jogging path. If Tony is running at 5 miles per hour and Laura is running at 7 miles per hour, how 2 long will it take Laura to catch up with Tony?

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

(hurry! ) which expression is equivalent to the following complex fraction?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?