What coins did Mother give to Rana and Ali?
Water in a hot tub is heated. Given several times and the temperature at those times, find an equation that models the heating process.
Follow the clues to help the four playful mathematicians return the lost watch.
Find the coordinates of the vertices of a triangle similar to the given triangle with the designated perimeter.
Find the number written on the first sheet laid on the table and identify which of the eight sheets it was.
Where should a pie wedge be cut to divide it into two pieces having the same area?