Two trains are traveling a constant speeds on different tracks:

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?