Write the fraction 27/63 in simplest form ?

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?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible